Australian Tropical Rainforest Plants - Online edition

Bauhinia hookeri F.Muell.


Shrub (woody or herbaceous, 1-6 m tall)
Tree
Click/tap on images to enlarge
Leaves and Flowers. © CSIRO
Cotyledon stage, epigal germination and 10th leaf stage. © CSIRO
Scale bar 10mm. © CSIRO
Family

Mueller, F.J.H. von (1859) Transactions of the Philosophical Institute of Victoria 3: 51. Type: Queensland, Gilbert River, F. Mueller; holo: MEL; iso: K.

Common name

Bauhinia, White; Bauhinia; Pegunny; Ebony, Mountain; Ebony, Queensland; Hooker's Bauhinia; Mountain Ebony; White Bauhinia; Queensland Ebony; Bauhinia, Hooker's

Stem

Usually encountered as a small tree (often multistemmed) less than 30 cm dbh but recorded to 40 cm dbh. Occasionally flowers and fruits as a shrub. Bark shed in flakes about 1-2 x 2-3 cm.

Leaves

Two leaflets in the compound leaf, each leaflet blade about 25-40 x 15-30 mm, sessile, usually with 4-7 longitudinal radiating veins. A peg-like gland usually present between the leaflets. Stipules about 1-1.5 mm long.

Flowers

Calyx and corolla pubescent on the inner and outer surfaces. Anthers red. Staminal filaments pink to red, 40-55 mm long. Ovary stalked, style pink to red, stigma green.

Fruit

Pods flat, about 10-20 x 3-3.5 cm. Seeds flat, about 10-13 x 6-8 mm.

Seedlings

Cotyledons linear-oblong, about 11-14 mm long, +/- fleshy, without any obvious venation. At the tenth leaf stage: leaves compound with two leaflets, leaflets +/- orbicular, unequal-sided, with 3-5 veins radiating from the base; stipules +/- orbicular. Seed germination time 14 to 91 days.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ, CEQ and southwards to south-eastern Queensland. Altitudinal range from sea level to 500 m. Grows in monsoon forest and vine thickets but also found in beach forest and in more open situations such as open forest.

Natural History & Notes

Has potential in gardens and as a street tree in dry areas. Produces showy white flowers.

Synonyms
Lysiphyllum hookeri (F.Muell.) Pedley, Austrobaileya 1(3): 33(1981). Bauhinia hookeri F.Muell. var. hookeri, Flora Australiensis 2: 296(1864).
RFK Code
1036
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