Orch., Brunonia 8:210 (1986).
Synonymy: M. propinquum sensu J. Black, Fl. S. Aust 646 (1952), in part, auct. non Cunn. (1839).
Common name: None
Stout perennial aquatic or marsh-inhabiting herb; stems stiff, 25-60 cm tall, pilose with crisped white hairs, rarely glabrous; leaves dimorphic; submerged leaves in whorls of 5-8, ovate, pectinate, 15-30 (rarely to 55)mm long, with 12-20 pinnae, often absent in terrestrial or marsh plants; emergent leaves in whorls of 6-9, the uppermost terete, 5-18 mm long, the lower ones broadly lanceolate, shortly pectinate with 6-8 pinnae.
Plants monoecious, flowers unisexual, solitary in axils; bracteoles of male flowers lanceolate to ovate, 0.6-0.7 mm long, acute, entire, those of females smaller; male flowers 4-merous, sessile; sepals ovate to oblong, 0.6-0.8 mm long, tip acute to obtuse; petals cream to reddish-brown or purplish, 2-2.6 (rarely 3.6) mm long, hooded, tardily caducous; stamens 8, anthers linear-oblong; styles 0; ovary vestigial; female flowers 4-merous, sessile; sepals, petals and stamens 0; styles 4, filiform, reflexed, stigmas white, long-fimbriate; ovary deep-red, cubiform, 0.6-0.7 mm long, 4-locular.
fruit yellow-brown to deep-red, cubiform; mericarps cylindrical, tapering slightly to the obliquely truncate apex, moderately densely echinate-muricate on the dorsal surface.
Cochrane et al. (1980) Flowers and plants of Victoria and Tasmania 62, fig. 270 as M. propinquum; Orchard (1986) Brunonia 8:, fig. 15.
S.Aust.: MU, SL. W.Aust.; Qld; N.S.W.; Vic.; Tas.
Flowering time: almost all the year round but with a peak from Oct. — April.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
The crisped hairs on the stems and leaf bases of this species are unique in the genus.
Not yet available