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Hovea impressinerva I.Thomps.
Family Fabaceae
Subfamily Faboideae
Hovea impressinerva I.Thomps. APNI*

Description: Shrub or small tree up to 4 m tall. Indumentum of branchlets, petiole, stipules, pedicel, abaxial surfaces of bract and bracteoles and external surface of calyx dense, golden-brown, hairs curled, sometimes a small proportion of hairs longer and divergent.

Leaves lorate to very narrow-elliptic, 3–8 cm long, 5–16 mm wide (juvenile leaves to 11 cm long with petiole to 5.5 mm long), flat, midrib slightly recessed; base obtuse to acute; margins flat to slightly recurved; apex obtuse to acute, mucronate; upper surface green, glossy, smooth, glabrous or with scattered hairs along midrib, veins indistinct; lower surface with curled, golden hairs mostly confined to veins, midrib hairs dense, orange-tan, venation pattern emphasised by haircolour. Stipules ovate, c.1 mm long.

Inflorescences pedunculate, peduncle 1.5–4.5 mm long, commonly 3-flowered. Flowers with bracts inserted 1–2 mm distal to base of pedicel, oblong to ovate 1.0–2 mm long; bracteoles inserted at or rarely proximal to base of calyx, oblong to narrow-ovate 1.2–2.2 mm long; calyx 4.5–5 mm long; tube 2.5–2.8 mm long; upper lip 3–4 mm wide across base, slightly narrower apically, apex of lobes truncate to rounded, intervening sinus 0.5–1 mm deep; lower lip 5–6 mm wide across base, lower lobes with an acuminate apex, 1.5–1.8 mm long. Standard 8–9 mm long, 11–12 mm wide, claw c. 2 mm long, limb mauve, flare green-yellow, 1–2 mm wide, bordered by a zone of deep mauve; wing 7–8 mm long, 3.5–4 mm wide, claw c. 2 mm long; keel 5–5.5 mm long, 2–2.7 mm wide, claw c. 2 mm long; style hairy for the first 1–2 mm.

Pod obliquely orbicular to broad-elliptic in profile, 10–17 mm long, 9–12 mm deep, sessile, external surface hardly obscured by brown, crumpled hairs, internal surface with scattered hairs. Seeds ellipsoid, 6–7 mm long, 3–3.5 mm wide, black to brown, aril narrowoblong, c. 6 mm long, 1.8 mm wide, extending c. 90% of length of seed.


Herbarium
Sheet

Flowering: Flowers in July–August. Fruit matures in October-November.

Distribution and occurrence: Occurs in far south-east Queensland south and south-west of Brisbane and in far north-east NSW on Mt Warning.

Grows on rhyolite in forest.
NSW subdivisions: NC
Other Australian states: Qld
AVH map***

Text by Louisa Murray
Taxon concept: I.R. Thompson (2001) Eastern Australian Hovea (Brongniartieae-Fabaceae). Australian Systematic Botany, Vol 14, pp 67-68.


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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