Hibbertia commutata Steud.

Species

Angiosperms > Dilleniales > Dilleniaceae > Hibbertia

Characteristics

Erect to spreading shrubs (0.1–) 0.2–0.3 (–1) m high, multi-stemmed at the base. Young stems sparsely to moderately pilose with spreading, simple white hairs over a shorter pubescence. Leaves sessile or subsessile, spreading, scattered (sometimes ± fascicled due to axillary short-shoots), ovate to obovate, (8–) 15–30 (–45) mm long, (3–) 5–8 (–10) mm wide; margins entire or with a few short, widely spaced teeth towards the apex, loosely recurved or (rarely) flat; adaxial surface sparsely to densely appressed to spreading silky-pubescent to pilose when young, with ± straight to sinuous hairs with or without small tubercle bases, without (rarely with and very sparse) shorter hairs beneath, glabrescent to persistently hairy; abaxial surface as for the adaxial, but hairs usually longer; apex obtuse, usually bluntly and shortly apiculate. Flowers single, sessile, axillary in upper leaf axils and terminating short-shoots. Bracts 2–5, dark reddish-brown to almost black, scarious, orbicular, obtuse-apiculate, 2–4.5 mm long, glabrous to sparsely pubescent; primary and secondary bracts similar. Sepals narrowly ovate, 6–10 mm long, abaxially densely spreading-pilose with longer hairs towards the base becoming progressively shorter towards the apex, adaxially shortly pubescent at least towards the apex; midribs not prominent; outer sepals long-acuminate; inner sepals similar to outer but broader, less distinctly acuminate and with narrow to broad, scarious, glabrous margins; buds distinctly rostrate. Petals 5, yellow, broadly obovate, 7–16 mm long, emarginate. Stamens (14–) 20–30 (–41), distributed around the gynoecium with narrow gaps at the carpels, free; filaments 0.6–2.5 mm long, not closely appressed to the gynoecium; anthers oblong, 1.2–2 mm long, dehiscing by short, introrse, apical slits; staminodes absent. Carpels 3; ovaries compressed globular, glabrous; styles spreading laterally and excentrically from near the carpel apex, 1.8–3.5 mm long. Ovules 2 per carpel. Seeds obovoid-globular, c. 2.5 mm in diameter, glossy reddish-to olive-brown and slightly mottled, with a membranous aril at the base or to as long as the seed and divided into irregular, finger-like projections.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Environment

Typically occurs in the shrubby understorey of jarrah, marri and wandoo forests on clay to sandy loam soils over granite or laterite.
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Hardiness (USDA) 8-11

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Cultivation

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Images

Hibbertia commutata unspecified picture

Distribution

Hibbertia commutata world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:316911-1
WFO ID wfo-0000721921
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hibbertia commutata