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Electronic Flora of South Australia genus Fact Sheet

Family: Euphorbiaceae
Bertya

Citation: Planchon, London J. Bot. 4:472, t. 16A (1845).

Derivation: After Count Léonce de Lambertye (1810-1877), French botanist and horticulturist from 1834 at Chaltrait.

Synonymy: Not Applicable

Common name: Bertyas.

Description:
Stellate-tomentose shrubs (in S.Aust.) or glabrous, often glutinous, monoecious or subdioecious; leaves alternate, shortly petiolate, exstipulate, rarely flat, often with recurved or revolute margins, when fully grown glabrous above, stellate-tomentose underneath.

Flowers axillary, solitary (in S.Aust.) or few together, almost sessile (in S.Aust.) or pedicellate, with a few calyx-like bracts at the base; perianth of male and female flowers deeply divided into 5 petal-like lobes, sometimes enlarging in fruit; petals and glands absent; stamens numerous, the filaments united in a staminal column; male flowers without any rudimentary ovary; anthers with 2 parallel cells dehiscing longitudinally and outwards in 2 valves; ovary of female flowers sessile, 3-celled, with 1 ovule per cell, but usually 1-celled; styles 3, free or shortly united at the base, branched.

Capsule ovoid or oblong, obtuse or acute l-seeded by abortion; seed oblong to almost globose, smooth, with a caruncle terminally; embryo usually linear, straight; the cotyledons longer but scarcely broader than the radicle.

Distribution:  Endemic to Australia with 23 species.

Biology: No text

Key to Species:
1. Leaves linear
B. mitchellii 1.
1. Leaves ovate
B. rotundifolia 2.

Author: Not yet available


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