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Pultenaea spinosa (DC.) H.B.Will.
Family Fabaceae
Subfamily Faboideae
Common name: Spiny Bush-pea, Grey Bush-pea

Pultenaea spinosa (DC.) H.B.Will. APNI*

Synonyms: Spadostyles ternata F.Muell. ex Hannaford APNI*

Description: Procumbent to erect shrub; stems glabrous spreading-pubescent.

Leaves alternate, opposite or in whorls of 3, ovate to broad rhombic, flat to concave, 9–15 mm long, 9–25 mm wide, apex aristate, margins flat, surfaces usually concolorous; stipules 1–2.5 mm long.

Inflorescences subterminal, lax, leafy; bracts absent. Flowers 7–15 mm long; pedicels 3–7 mm long; bracteoles 2–5 mm long, lacking stipules, linear to linear-ovate, bristly to acuminate, glabrous to rarely ciliate, attached at base or lower part of calyx tube. Calyx up to 4–8 mm long, glabrous to moderately hairy; teeth acute to acuminate. Ovary glabrous or with a tuft of hairs at the apex.

Pods 5–7 mm long, turgid.

Photo A.E. Orme

Photo A.E. Orme

Photo A.E. Orme

Photo A.E. Orme

Other photo
Photo A.E. Orme

Distribution and occurrence: Widespread west to Warrumbungle Mountains, though the typical form appears to be restricted to the Hunter Valley region.

Grows in dry sclerophyll forest on sandy or rocky soil.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS
Other Australian states: Qld
AVH map***

P. spinosa is a geographically variable complex of apparently intergrading populations that previously had been split into 3 species [see Flora of NSW (1991)]. Currently under revision.

Text by P.H. Weston & R.P.J. de Kok, updated by R.L.Barrett, Sept. 2023
Taxon concept: Flora of NSW 2 (1991); updated revised NSW 2 (2002)

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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