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Chamaecrista rotundifolia (Pers.) Greene var. rotundifolia Family Fabaceae
Subfamily Caesalpinioideae
Chamaecrista rotundifolia var. rotundifolia (Pers.) Greene APNI*

Description: Prostrate annual herb; stems pubescent; hairs long, straight and short-curved.

Leaves variable in size; stipules lanceolate-cordate, to 10 mm long; petiole 3–4 mm long, eglandular; leaflets in 1 pair, asymmetrically subrotund to broadly ovate, 7–25 mm long, 5–30 mm wide, sometimes ciliate; apex rounded.

Flowers 1 or 2 from axils; pedicels filiform, 1.5–3 cm long. Sepals slightly shorter than petals; apex obtuse to rounded. Petals obovate, c. 6 mm long, subequal. Stamens 5; anthers to 2 mm long. Ovary pubescent.

Pod straight, 1.5–4 cm long, 3–5 mm wide

Distribution and occurrence: A native of South America introduced into Australia in the last 25 years as a pasture herb. Sparingly naturalised in coastal Qld usually in localities at no great distance from where it had been planted
NSW subdivisions: *NC
Other Australian states: *Qld
AVH map***

A second variety, C. rotundifolia var. grandiflora (Benth.) H.S.Irwin & Barneby is widespread in South America.

Text by B.M. Wiecek
Taxon concept: Flora of Australia, Volume 12, 1998, p. 140

The single variety in NSW. Characters and distribution as for the species in NSW.

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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