Common name: Coffee Senna, Styptic Weed
Senna occidentalis (L.) Link APNI* Synonyms: Cassia occidentalis APNI*
Description: Foetid shrub 1–2 m high.
Leaves 15–17 cm long; gland flat, near base of petiole; pinnae 3–7 pairs, broad-elliptic to ovate, largest 5–7 cm long, 3–4 cm wide; petiole 2–4 cm long.
Peduncles 0.2–0.5 cm long; pedicels 10–15 mm long. Fertile stamens 6; largest anthers 4 mm long with incurved yellow beaks, on filaments 4 mm long; 2 of 3 lower stamens with longer C-curved filaments ± at right angles to the plane of floral symmetry.
Pod cylindrical, 10–12 cm long, 8–11 mm diam., golden-brown with broad pale margins.
Flowering: summer.
Distribution and occurrence: Weedy plant of agricultural pastures and roadsides, north from Warialda district. Native of Amer.
NSW subdivisions: *NWS, *SFWP
Other Australian states: *Qld *W.A. *S.A. *N.T.
Text by B. Wiecek
Taxon concept: Flora of NSW 2 (1991)
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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