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Senna glutinosa (DC.) Randell
Family Fabaceae
Subfamily Caesalpinioideae
Senna glutinosa (DC.) Randell APNI*

Synonyms: Senna form taxon 'glutinosa' APNI*

Description: Shrub, erect or straggling, to 3 m tall, glabrous except for the pubescent ovary and occasional scattered hairs on inflorescence and outer floral parts, viscid.

Leaves 3–5 cm long including a terete petiole 10–15 mm long; stipules acicular, usually caducous; leaflets in 4–6 pairs spaced 10–15 mm apart, elliptic, 10–25 mm long, 3–6 mm wide, acute; glands 1–3, between the lowest leaflet pairs, sessile, flat.

Inflorescence subumbellate, of 2–4 (-6) flowers, in upper axils; peduncle 20–40 mm long; pedicels 10–20 mm long; bracts caducous. Petals c. 14 mm long, sometimes sparsely hairy outside. Fertile stamens 10; filaments subequal, subsessile, or 1–2 longer (to 2 mm); anthers subequal, c. 5 mm long.

Pod flat, 4–6 cm long, 8–11 mm wide, straight, entire. Seeds dull or lustrous.

Flowering: Flowers mostly in winter.

Distribution and occurrence: Occurs from north-western W.A. eastwards to N.T. and north-western S.A.

Grows in arid shrublands.
NSW subdivisions: NFWP
Other Australian states: Qld W.A. S.A. N.T.
AVH map***

n = 42/2. Vegetatively resembles the largely sympatric S. glaucifolia, but differs in having larger hairy petals.

Text by B.M. Wiecek
Taxon concept: Flora of Australia, Volume 12, 1998, p. 104

One subspecies in NSW: Senna glutinosa subsp. pruinosa

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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