Indigofera brennanii Peter G.wilson

Species

Angiosperms > Fabales > Fabaceae > Indigofera

Characteristics

Decumbent to spreading, perennial herb with a woody rootstock or taproot; young stems ridged, green, strigose with appressed, equally biramous hairs. Leaves simple; stipules linear, 1.5–2.5 mm long, bearing biramous hairs and few to many linear to clavate multicellular hairs, semipersistent; petiole 2.5–3.5 mm long. Lamina elliptic or narrowly elliptic, (13–) 25–41 mm long, (7–) 10–16 (–19) mm wide; upper surface green, glabrous; lower surface green, slightly paler than above, with sparse, appressed hairs; apex obtuse and very shortly apiculate; veins not particularly prominent. Inflorescences (30–) 43–58 (–67) mm long, longer than the leaf; peduncle 6–17 mm long, axis ridged, angular; bracts triangular, c. 0.6 mm long, rarely persistent; flowers pink to purple, pedicel 0.5–1 mm long. Calyx 2.1–2.5 mm long, with subequal lobes longer than the length of the tube and moderately dense, white, appressed hairs. Standard pink to purplish, suborbicular, c. 4.5 mm high, 4 mm wide. Wings narrowly obovate to spathulate, 4–4.5 mm long, 1–1.2 mm wide. Keel 5–6 mm long, 1.5–2 mm deep; lateral pockets c. 0.9 mm long; apex acute; hairs moderately dense to dense, hyaline to brownish, at the tip and along the bottom; margin ciliate. Staminal tube c. 3 mm long. Ovary glabrous. Pods mostly ascending, ± terete, 21–35 mm long, c. 2 mm deep, brown, glabrous; apex shortly beaked; endocarp spotted; seeds c. 7–9 per fruit.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Recorded from coastal sand dunes, sandplains in Acacia low open woodlands, and on damp ground under a woodland of Melaleuca viridiflora and Corymbia species.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Indigofera brennanii world distribution map, present in Australia

Identifiers

LSID -
WFO ID wfo-0001443859
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Indigofera brennanii