J. Black in Eardley, Fl. S. Aust. 4:945 (1957).
Synonymy: Not Applicable
Common name: Desert cow-vine.
Almost glabrous annual with thick hollow trailing stems; leaves lanceolate to oblong-lanceolate, 5-15 x 2-8 cm, acute to narrowly obtuse, mucronate, hastate or auriculate at the base.
Inflorescence axillary, occasionally in pairs; peduncle stout, 0.7-6 cm long, bearing 1 flower; bracteoles more or less opposite, deciduous at flowering, triangular to linear-oblong, obtuse to barely acute, 1-2 mm long; pedicel 8-25 mm long; outer sepals broadly ovate to almost orbicular, obtuse to emarginate, at flowering 4-6 x 3-5 mm, expanding at fruiting to 9 x 7 mm; inner sepals of similar shape, slightly shorter and broader; corolla funnel-shaped, creamish-white, mid-petaline band slightly darker, glabrous, 12-20 mm long, limb 13-16 mm diam.; stamens inserted 1-1.5 mm above the base of the corolla; filaments unequal, 4-6 mm long; ovary 2-celled, style 4-5 mm long, stigma 2-globular.
Capsule depressed-globular with a persistent style base, leathery, more or less indehiscent; seeds densely pubescent, 6-8 mm long.
On clay soils on flood plains.
S.Aust.: LE. N.T.; Qld; N.S.W.
Flowering time: mainly Nov. — March.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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