| 1 |
(1) |
Mature
leaves reduced to phyllodes or not developed at all |
|
| |
(2) |
Leaves
all bipinnate |
|
| 2 |
(1) |
Flowers
in more or less globular heads |
|
| |
(2) |
Flowers
in cylindrical spikes |
|
| 3 |
(1) |
Phyllodes
either absent (occasional twigs rarely with a few articulate phyllodes),or
continuous with the branches |
|
| |
(2)
|
Phyllodes
present and articulate on the branches |
|
| 4 |
(1) |
Phyllodes
normally absent, if present then articulate on branch; flowers 3-8
per head |
|
| |
(2) |
Phyllodes
present, continuous with branch; flowers c. 30 per head |
|
| 5 |
(1) |
Phyllodes
flat with 1 major longitudinal vein visible on each face or more or
less terete and 4-veined, or 4-angled |
|
| |
(2) |
Phyllodes
flat with 2 or more major longitudinal veins visible on each face
or more or less terete and many-veined |
|
| 6 |
(1) |
Flower-heads
(1-several) on simple peduncles in the axils of phyllodes or on inconspicuous
short common peduncles |
|
| |
(2) |
Flower-heads
distinctly racemose, the raceme either axillary or terminal |
|
| 7 |
(1) |
Flower-heads
(1-several) on simple peduncles in the axils of phyllodes or on inconspicuous
short common peduncles |
|
| |
(2) |
Flower-heads
distinctly racemose, the racemes either axillary or terminal |
|
| 8 |
(1) |
Phyllodes
innocuous |
|
| |
(2) |
Phyllodes
pungent-pointed |
|
| 9 |
(1) |
Phyllodes
to 2 cm long |
|
| |
(2) |
Phyllodes
2-12 cm long |
|
| 10 |
(1) |
Branchlets
spinescent |
|
| |
(2) |
Branchlets
not spinescent |
|
| 11 |
(1) |
Branchlets
hairy; phyllodes narrow-cuneate, humped at the summit |
|
| |
(2) |
Branchlets
glabrous; phyllodes broadly lanceolate, never humped |
|
| 12 |
(1)
|
Stipules
prominent and spiny |
|
| |
(2) |
Stipules
when present minute and not spiny |
|
| 13 |
(1) |
Shrubs
prominently resinous; phyllodes viscid |
|
| |
(2) |
Shrubs
not or sometimes very slightly resinous; phyllodes not viscid, 5-20
mm long |
|
| 14 |
(1) |
Phyllodes
flat, obliquely obovate, 2-5 mm long |
|
| |
(2) |
Phyllodes
terete-compressed, 1-2 cm long |
|
| 15 |
(1) |
Phyllodes
ovate-oblanceolate to obovate-orbicular |
|
| |
(2) |
Phyllodes
linear or oblong |
|
| 16 |
(1) |
Phyllodes
grey-green, heads 20-30 flowered |
|
| |
(2) |
Phyllodes
mid-green; heads 10-15-flowered; peduncles often longer than phyllodes;
legumes spirally coiled |
|
| 17 |
(1) |
Peduncles
mostly longer than phyllodes, heads 8-10 mm diameter |
|
| |
(2) |
Peduncles
mostly shorter than phyllodes, heads about 5 mm diameter |
|
| 18 |
(1) |
Branchlets
pubescent, almost terete; phyllodes with the vein close to the lower
margin |
|
| |
(2) |
Branchlets
glabrous, angular |
|
| 19 |
(1) |
Phyllodes
erect, imbricate; apex almost truncate except for an oblique mucro
|
|
| |
(2)
|
Phyllodes
spreading-erect, not imbricate, apex obtuse |
|
| 20 |
(1) |
Branchlets
acutely angular, often compressed and winged |
|
| |
(2) |
Branchlets
slightly angular or striate, becoming almost terete, never flattened
or winged |
|
| 21 |
(1) |
Phyllodes
with obviously reticulate lateral veins; peduncles stout, solitary;
heads c. 40-flowered; seeds transversely placed in the legume |
|
| |
(2) |
Phyllodes
without reticulate lateral veins; peduncles slender, 2-4 (rarely 1)
per axil; heads 12-20-flowered; seeds longitudinally placed in the
legume |
|
| 22 |
(1)
|
Phyllodes
often glaucous, broadly ovate, 10-35 mm broad, up to twice as long
as broad |
|
| |
(2)
|
Phyllodes
never glaucous, linear-oblong, oblanceolate, 5-13 mm broad, 5-12 times
longer than broad |
|
| 23 |
(1) |
Stipules
frequently prominent, spiny; seeds transversely placed in the legume |
|
| |
(2) |
Stipules
when present small, never spiny; seeds longitudinally placed in the
legume |
|
| 24 |
(1) |
Branchlets
and phyllodes glabrous to almost so |
|
| |
(2) |
Branchlets
and phyllodes villous with soft spreading hairs |
|
| 25 |
(1) |
Branchlets
and phyllodes pubescent or becoming glabrous when mature |
|
| |
(2) |
Branchlets
and phyllodes glabrous(young phyllodes minutely pubescent in A. microcarpa) |
|
| 26 |
(1) |
Phyllodes
always hairy, golden pubescent when young, silky-silvery with more
or less appressed hairs when mature, flower-heads mostly shorter than
phyllode, longer if common peduncle well developed |
|
| |
(2) |
Phyllodes
silky grey hairy when young, becoming glabrous with age |
|
| 27 |
(1)
|
Peduncle
mostly shorter than phyllode, heads about 5 mm diameter |
|
| |
(2) |
Peduncles
mostly longer than leaf, heads 8-10 mm diameter |
|
| 28 |
(1) |
Phyllodes
terete or if flattened then not exceeding 5 mm broad; apex always
uncinate |
|
| |
(2) |
Phyllodes
distinctly flattened, 5-15 mm broad; apex sometimes mucronate, never
distinctly uncinate |
|
| 29 |
(1) |
Apex
always acute or acuminate |
|
| |
(2) |
Apex
always blunt with two glands at summit, phyllodes often slightly up-curved |
|
| 30 |
(1) |
Peduncle
in axillary racemes commonly 1-4 mm long with 2-4 peduncles rarely
greater, rarely solitary |
|
| |
(2) |
Peduncles
almost always solitary |
|
| 31 |
(1) |
Branchlets
and young phyllodes viscid; phyllodes punctate, apex acute, with up
to 4 glands along the upper margin |
|
| |
(2) |
Branchlets
and phyllodes not viscid, or phyllodes not punctate, apex obtuse,
only 1 gland along the upper margin |
|
| 32 |
(1) |
Phyllodes
5-12 cm long, apex mostly obtuse, mid-vein prominent and many fine
lateral veins, peduncles < 5 mm |
|
| |
(2) |
Phyllodes
to 5 cm long, apex acute or obtuse, mid-vein often obscure, peduncles
> 5 mm |
|
| 33 |
(1) |
Phyllode
apex obtuse, phyllodes straight or with slight upward curve, young
tips more or less glabrous |
|
| |
(2) |
Phyllode
apex acute, phyllodes slightly recurved, young tips densely pubescent
(later glabrous) |
|
| 34 |
(1) |
Stipules
prominent and spiny |
|
| |
(2) |
Stipules
when present small and not spiny |
|
| 35 |
(1) |
Phyllodes
flat, glabrous, rhomboid-orbicular, 1-2 cm long |
|
| |
(2) |
Phyllodes
terete, minutely pubescent, 3-6 cm long |
|
| 36 |
(1) |
Phyllodes
humped on the upper margin |
|
| |
(2) |
Phyllodes
not humped on the upper margin |
|
| 37 |
(1) |
1
prominent vein parallel to and near the lower margin; heads whitish-yellow,
20-30-flowered; legumes straight or curved |
|
| |
(2) |
1
prominent oblique vein with 2-4 rather obscure veins arising from
near the base; heads golden-yellow, 8-15-flowered; legumes spirally
coiled |
|
| 38 |
(1) |
Phyllodes
flat, obliquely ovate-orbicular or obovate, 5-15 mm broad, up to twice
as long as broad |
|
| |
(2) |
Phyllodes
flat or angular, linear-subulate or linear-lanceolate or narrow-elliptic,
1-5 mm broad, more than twice as long as broad |
|
| 39 |
(1) |
Branchlets
resinous; phyllodes viscid (at least when young), 1-2.5 cm long |
|
| |
(2) |
Branchlets
not resinous; phyllodes not viscid, 2-6 cm long |
|
| 40 |
(1) |
Heads
c. 20-flowered, creamy-yellow; phyllodes spreading horizontally, broadest
at or near the base, viscid, shining |
|
| |
(2) |
Heads
50-60-flowered, mid-yellow; phyllodes erect or spreading, broadest
near the centre, slightly viscid |
|
| 41 |
(1) |
Phyllodes
pubescent |
|
| |
(2) |
Phyllodes
glabrous (at least with age) |
|
| 42 |
(1) |
Phyllodes
usually clustered in groups 2-5, heads c. 50-flowered |
|
| |
(2)
|
Phyllodes
scattered, not clustered, heads less than c. 20-flowered |
|
| 43 |
(1) |
Heads
creamy yellow; phyllodes at right angles to branch, apex tapered |
|
| |
(2) |
Heads
golden yellow; phyllodes ascending, apex abruptly pungent |
|
| 44 |
(1)
|
Unexpanded
racemes at first covered with large imbricate (scale-like) bracts |
|
| |
(2) |
Unexpanded
racemes not covered with large imbricate bracts |
|
| 45 |
(1) |
Branchlets
angular-striate, soon terete, pruinose; flowers c. 12 per head; legumes
6-12 cm long, 7-10 mm broad |
|
| |
(2) |
Branchlets
acutely angled, triangular appearing flattened, smooth, greenish;
flowers c.6-10 per head; legumes 2-4 mm long, 12-20 mm broad |
|
| 46 |
(1) |
Phyllodes
terete-compressed or quadrangular |
|
| |
(2) |
Phyllodes
distinctly flattened |
|
| 47 |
(1) |
Phyllodes
4-13 cm long |
|
| |
(2) |
Phyllodes
more than 13 cm long |
|
| 48 |
(1) |
Phyllode
apex acute, pungent-pointed |
|
| |
(2) |
Phyllode
apex uncinate or with a short curved mucro, not pungent |
|
| 49 |
(1) |
Phyllodes
quadrangular; apex with a swollen gland below a short curved mucro |
|
| |
(2) |
Phyllodes
terete-compressed; apex uncinate, without a swollen gland |
|
| 50 |
(1) |
Mature
phyllodes always covered with short hairs |
|
| |
(2) |
Mature
phyllodes-glabrous |
|
| 51 |
(1) |
Hairs
short, appressed, silky; peduncle rarely exceeding phyllodes; phyllodes
< 11 mm wide |
|
| |
(2) |
Hairs
dense or scattered, erect; peduncle exceeding phyllodes; phyllodes
> 15 mm wide |
|
| 52 |
(1) |
Flowers
30 or fewer in each head |
|
| |
(2)
|
Flowers
more than 30 in each head |
|
| 53 |
(1) |
Flowers
4-merous, fewer than 6 in each head |
|
| |
(2) |
Flowers
5-merous, more than 6 in each head |
|
| 54 |
(1) |
Calyx
distinctly lobed (sepals free to the base in A. victoriae) |
|
| |
(2) |
Calyx
almost truncate, indistinctly lobed |
|
| 55 |
(1) |
Phyllodes
oblanceolate, narrow-obovate |
|
| |
(2) |
Phyllodes
linear, narrow-elliptic to lanceolate (sometimes oblanceolate in A.
jennerae) |
|
| 56 |
(1) |
Phyllode
apex uncinate |
|
| |
(2) |
Phyllode
apex obtuse or acute never uncinate |
|
| 57 |
(1)
|
Branchlets
prominently angular, longitudinally striate; heads 15-20-flowered,
on slender peduncles; funicle encircling the seed |
|
| |
(2) |
Branchlets
slightly angular; heads c. 25-flowered, on stout peduncles; funicle
short, not encircling the seed |
|
| 58 |
(1) |
Stipules
prominent, spiny; seeds almost globular, transverse in the legume |
|
| |
(2) |
Stipules
inconspicuous, never spiny; seed ovoid, longitudinal in the legume |
|
| 59 |
(1) |
Branchlets
and phyllodes glabrous or almost so |
|
| |
(2)
|
Branchlets
and phyllodes villous with soft spreading hairs |
|
| 60 |
(1) |
Phyllodes
straight or slightly curved |
|
| |
(2) |
Phyllodes
falcate |
|
| 61 |
(1) |
Phyllodes
2-5 cm long, 1 gland near the base; flowers 8-15 in each head |
|
| |
(2) |
Phyllodes 5-15 cm long, 1-3 glands along the upper margin; flowers
20-30 in each head |
|
| 62 |
(1) |
Phyllodes
thick, green and wrinkled when dry, usually mucronate; legumes hard,
woody, constricted between the seeds, easily breaking into 1-seeded
segments |
|
| |
(2) |
Phyllodes
greyish, flaccid, not wrinkled when dry, usually pendulous, never
mucronate; legumes woody, hardly constricted, not breaking easily
into 1-seeded segments, often suckering |
|
| 63 |
(1) |
Phyllodes
narrow, 1-4 mm wide, apex rounded and more or less symmetrical with
small erect central mucro, legumes 4-5 mm wide, mostly sub coastal
|
|
| |
(2) |
Phyllodes
mostly broader, 4-14 mm wide, apex obliquely mucronate to uncinate,
legumes 5-9 mm wide, very widespread in S.Aust |
|
| 64 |
(1)
|
Sepals
free to the base |
|
| |
(2) |
Sepals
united for half or more of their length |
|
| 65 |
(1)
|
Phyllodes
linear-cultrate or narrow-elliptic |
|
| |
(2) |
Phyllodes
narrow- to broad-lanceolate or oblanceolate |
|
| 66 |
(1) |
Phyllodes
with 2-4 small glands along the upper margin; peduncles thick, less
than 10 mm long; seeds compressed, longitudinal |
|
| |
(2) |
Phyllodes
with a single conspicuous gland at the base; peduncles slender, 10-38
mm long; seeds almost orbicular, transverse or oblique in the legume |
|
| 67 |
(1) |
Younger
shoots, petiole, axil and pods white pruinose |
|
| |
(2) |
Younger
shoots, petiole and axil not conspicuously white pruinose |
|
| 68 |
(1) |
Branchlets
flattened, acutely angled or ribbed, becoming almost terete when mature |
|
| |
(2) |
Branchlets
slightly angular, soon terete, smooth |
|
| 69 |
(1) |
Branchlets
and inflorescence rhachis prominently flexuose; phyllodes falcate,
spreading or often reflexed |
|
| |
(2) |
Branchlets
and inflorescence rhachis not or only slightly flexuose; phyllodes
straight or slightly curved, spreading not reflexed |
|
| 70 |
(1) |
Flowers
pale-yellow; legumes almost straight-edged; funicle long, encircling
the seed |
|
| |
(2)
|
Flowers
a bright golden-yellow; legumes slightly constricted between the seeds;
funicle short, never encircling the seed (garden escape) |
|
| 71 |
(1)
|
Phyllodes
2-5 mm broad, lateral veins fine, rather obscure or absent |
|
| |
(2) |
Phyllodes
more than 5 mm broad, lateral veins numerous, conspicuous |
|
| 72 |
(1) |
Phyllodes
broadest just above the centre but tapering at both ends, a small
gland 15 mm or more from the base; peduncles hoary |
|
| |
(2) |
Phyllodes
broadest well above the centre, tapering gradually to the base, a
small gland 5-10 mm from the base; peduncles glabrous |
|
| 73 |
(1) |
Phyllodes
with conspicuous raised anastomosing lateral veins |
|
| |
(2) |
Phyllodes
with fine sunken reticulate or anastomosing lateral veins |
|
| 74 |
(1) |
Seeds
transverse in the legume, funicle encircling the seed |
|
| |
(2) |
Seeds
longitudinal in the legume; funicle short or, if long, then encircling
the seed |
|
| 75 |
(1)
|
Phyllodes
rigid, coriaceous, + straight margin usually prominent apex often
blunt |
|
| |
(2) |
Phyllodes
flexible, often falcate, margin not prominent, apex mostly acute,
more or less hooked |
|
| 76 |
(1) |
Phyllode
apices obviously acuminate, surfaces often scurfy; legume thick, coriaceous,
10-25 mm long, 10-15 mm broad; seed broadly ovoid |
|
| |
(2)
|
Phyllode
apices obtuse or acute; legumes firmly chartaceous, 5-12 cm long,
5-7 mm broad, seeds ovoid-oblong |
|
| 77 |
(1)
|
Phyllodes
tapering prominently towards the base; funicle short, not encircling
the seed |
|
| |
(2) |
Phyllodes
tapering gradually to both ends, narrow-elliptic to oblanceolate;
funicle long, more or less encircling the seed |
|
| 78 |
(1) |
Flower
heads sessile or on very short pubescent peduncles up to 3 mm 1ong;
phyllodes flat, pungent-pointed |
|
| |
(2)
|
Flower
heads distinctly pedunculate, more than 3 mm long |
|
| 79 |
(1) |
Phyllode
apex distinctly pungent-pointed |
|
| |
(2)
|
Phyllode
apex innocuous |
|
| 80 |
(1) |
Phyllodes
broadly triangular, flat, 4-12 mm long, upper margin humped |
|
| |
(2) |
Phyllodes
linear, terete-compressed |
|
| 81 |
(1) |
Branches
and phyllodes asperulate |
|
| |
(2) |
Branches
and phyllodes not asperulate |
|
| 82 |
(1) |
Phyllodes
c. 16-veined, veins obscure, fine and close together |
|
| |
(2) |
Phyllodes
6-8-veined, veins prominent well spaced |
|
| 83 |
(1) |
Phyllodes
6-veined, small stipular prickles usually present |
|
| |
(2) |
Phyllodes
8-veined, stipular prickles absent |
|
| 84 |
(1)
|
Branches
and phyllodes resinous, viscid |
|
| |
(2)
|
Branchlets
and phyllodes not resinous (or only slightly viscid on young branchlets
or immature phyllodes) |
|
| 85 |
(1) |
Phyllodes
more than 2 mm broad, flat, and with 2 (rarely 3) prominent longitudinal
veins |
|
| |
(2) |
Phyllodes
less than 2 mm broad, flattened to terete (flattened phyllodes with
3 (rarely 2) prominent longitudinal veins) |
|
| 86 |
(1) |
Phyllodes
with obvious secondary anastomosing veins |
|
| |
(2) |
Phyllodes
without secondary veins (or if present then rather obscure never anastomosing) |
|
| 87 |
(1) |
Phyllodes
oblong or narrowly oblong, 1.5-4 cm long, 3-7 mm broad secondary veins
fine, reticulate; legumes densely covered with whitish hairs; seeds
longitudinal in the legume |
|
| |
(2) |
Phyllodes
broadly ovate to oblanceolate, 2-7 cm long, 5-15 mm broad, secondary
veins raised and more prominent than above; legumes varnished; seeds
transverse in the legume |
|
| 88 |
(1) |
Phyllodes
4-12 cm long, punctate, linear-lanceolate, apex acute, with 2 parallel
veins only |
|
| |
(2) |
Phyllodes
1-2.5 cm long, oblong, cuneate, not punctate, with a short oblique
mucro, 2 prominent veins with 1-3 fainter parallel veins |
|
| 89 |
(1) |
Phyllodes
narrow-linear, flattened, never terete; apex uncinate; flowers 4-merous
|
|
| |
(2) |
Phyllodes
filiform, terete or compressed, apex with a small oblique mucro, or
obtuse with scarcely any point |
|
| 90 |
(1)
|
Phyllodes
5-10 cm long |
|
| |
(2) |
Phyllodes
1-3.5 cm long |
|
| 91 |
(1) |
Peduncles
golden-pubescent |
|
| |
(2) |
Peduncles
glabrous, viscid |
|
| 92 |
(1) |
Phyllodes
straight or slightly curved, with 5 or 6 longitudinal veins |
|
| |
(2) |
Phyllodes
curved and shallowly sigmoid, 2-veined |
|
| 93 |
(1) |
Branchlets
spinescent |
|
| |
(2) |
Branchlets
not spinescent |
|
| 94 |
(1) |
Phyllodes
distinctly flattened, with 2-7 more or less prominent veins pre-sent
on each face separated by distinct interstices |
|
| |
(2) |
Phyllodes
flat, terete or subterete, with numerous fine, closely placed veins
often only visible under a lens |
|
| 95 |
(1) |
Phyllodes
with 2 prominent veins, more or less elliptic, 4-12 mm long |
|
| |
(2) |
Phyllodes
with 3-7 more or less prominent veins, linear-lanceolate, oblanceolate
or narrowly obovate, 1-10 cm long |
|
| 96 |
(1) |
Phyllodes
often more than 4 mm wide, hoary, often sub-falcate |
|
| |
(2) |
Phyllodes
rarely 4 mm wide, green |
|
| 97 |
(1)
|
Pod
more or less straight, 8-12 mm wide, seeds longitudinal |
|
| |
(2) |
Pod
twisted and coiled, 12-25 .mm wide, seeds transverse |
|
| 98 |
(1) |
Trees;
phyllodes more or less flaccid, linear, lanceolate, always with 3
prominent longitudinal veins on each face and a number of rather obscure
well spaced reticulate lateral veins between them |
|
| |
(2)
|
Shrubs;
phyllodes thick, hard or more or less fleshy, oblanceolate, narrowly
obovate or linear-cuneate, with 3-7 longitudinal veins, on each face,
no reticulate lateral veins |
|
| 99 |
(1) |
Branchlets
and peduncles glabrous or slightly hairy |
|
| |
(2) |
Branchlets
and peduncles hoary |
|
| 100 |
(1) |
Phyllodes
1-3.5 cm long, glabrous |
|
| |
(2) |
Phyllodes
more than 3.5 cm long, pubescent to some degree |
|
