Family: Fabaceae
Trifolium dubium
Citation:
Sibth., Fl. Oxon. 231 (1794).
Synonymy: T, minus Smith in Relhan, Fl. Cantab. edn 2:290 (1802).
, Trifolium minus Common name: Suckling clover, yellow suckling clover.
Description:
Slender procumbent or ascending annual; branches 20-40 cm long, sparsely hairy; leaflets obovate or obcordate, 8-10 mm long, with 4-9 pairs of lateral veins ending in denticulate margins, glabrescent, the terminal leaflet petiolulate; petioles short; stipules 4-5 mm long, broadly ovate, with distinct parallel veins, equalling or exceeding the petioles of the upper leaves.
Flowers 3-25 in loose heads to 8-9 mm long, on slender peduncles longer than the leaves; calyx 1.5-2 ram, glabrous; teeth unequal, the upper 2 shortest, the lower 3 about as long as the lower part of the calyx tube, with long setae; corolla 3-3.5 mm long, yellow, becoming yellowish-brown after anthesis; standard narrowly oblong, 3 or 4 times as long as the calyx tube, faintly striated and folded lengthwise about the developing pod, wings first parallel then embracing the keel or pod distally.
Pod subglobose, scarious, 1-seeded; seed ovoid, c. 1 mm long, brownish, smooth.
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Image source: fig. 353F in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Cunningham et al. (1982) Plants of western New South Wales, p. 426.
Distribution:
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A common weed in cultivated ground and in pastures in temperate districts.
S.Aust.: FR, EP, NL, MU, SL, KI, SE. W.Aust.; ?Qld; N.S.W.; Vic.; Tas. New Zealand; America. Native to Europe.
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Conservation status:
naturalised
Flowering time: Sept. — Dec. (rarely to March).
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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