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Grevillea humilis Makinson
Family Proteaceae
Grevillea humilis Makinson APNI*

Description: Erect to spreading shrub 0.3–1.3 m high, rhizomatous; branchlets tomentose, subsericeous or almost glabrous.

Leaves spreading to ascending, sometimes irregular clusters of 3, narrow-elliptic to sublinear, usually 2–5 cm long and 1.5–2 mm wide, or in subsp. maritima to oblanceolate or narrowly obovate and to 6 mm wide, margins shortly once-refracted to scarcely recurved, upper surface sometimes punctate with midvein smooth or faintly granular, intramarginal veins prominent; lower surface mostly exposed, densely to sparsely subsericeous.

Conflorescences secund, 10–24-flowered, rachis straight or decurved. Perianth subsericeous outside, sometimes with weakly tomentose limb, profusely or sparingly bearded inside. Gynoecium usually 7–12 mm long; style hooked in apical 2 mm, glabrous except for minute hairs or papillae in the subapical 0.5 mm; pollen presenter oblique.

Follicle colliculose.

Distribution and occurrence: Grows north from Lake Macquarie.
NSW subdivisions: NC, CC, NWS, CWS
Other Australian states: Qld
AVH map***

Text by R. O. Makinson
Taxon concept:

 Key to the subspecies 
1Hairs on branchlets and lower surface of leaves matt (not or scarcely sparkling-reflective under strong light with 10X magnification).2
Hairs of branchlets and lower surface of leaves strongly sparkling-reflective under strong light and 10X magnification.3
2Adult leaves narrowly oblong-elliptic, 1.8–2.5 mm wide, upper surfaces usually glabrous; pedicels 4–6 mm long; leaves usually solitary or irregularly arranged, sometimes ± in clusters of 3subsp. humilis
Adult leaves narrow-elliptic to oblanceolate, 1.6–6 mm wide, upper surface usually at least with some appressed hairs persisting; leaves often in distinct clusters of 3
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subsp. maritima
3Low weakly erect to mounded shrub to c. 0.6 m high, with short stiff branches and usually dense foliage; lower surface of leaves densely sericeous to subsericeous; leaves narrowly oblong-elliptic to narrow-obovate, usually 1.5–6 mm wide; flowers with perianth and style usually white, occasionally pink, gynoecium 7–12 mm long.[includes Coastal elements of G. linearifolia 'Northern form' p.p. and the `Angourie form' of Flora of NSW (1991)] A highly variable population occurs south of Angourie, with plants ± prostrate, leaves elliptic to obovate to oblanceolate, c. 2 cm long and 2.5–10 mm wide.subsp. maritima
Erect shrub to 1 m high with gracile ascending branches and usually loose foliage; lower surface densely to sparsely sericeous; leaves narrowly oblong-elliptic to sublinear, 1.5–4 cm long, 1.7–3.5 mm wide; pedicels 6–10 mm long; flowers with perianth and style pink, gynoecium 9–16 mm long
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subsp. lucens

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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