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Electronic Flora of South Australia species Fact Sheet

Family: Euphorbiaceae
Bertya mitchellii

Citation: Muell.-Arg., Linnaea 34:63 (1865). Mitchell bertya.

Synonymy: Ricinocarpus mitchellii Sonder, Linnaea 28:563 (1857).

Common name: None

Erect multi-stemmed shrubs, 1-2 m high, branchlets and young foliage grayish-hoary from a stellate indumentum, becoming at length glabrous; leaves linear, 10-30 x 1-2 mm, stiff, non-resinous, becoming glabrous above, with revolute margins almost concealing the white-tomentose undersurface.

Male flowers subsessile, with conspicuous bracts; perianth-segments ovate, c. 4 mm long, glabrous except for the ciliate-fimbriate margins, leathery, reddish-brown; filaments red, anthers yellow; female flowers sessile; the segments narrower and shorter but usually enlarged round the fruit; ovary stellate-hirsute; styles 3, red, divided to the base into 2 or 3 branches c. 1 mm long.

Capsule narrow-ovoid, 6-10 x 4-5 mm, stellate-tomentose, greenish; seed oblong, c. 5 x 2.5 mm, brown; caruncle pyramidal, yellow, c. 1.5 mm long and wide.

image of FSA2_Bertya_mit.jpg Bertya mitchellii twig, female and male flower, fruit and seed.
Image source: fig 397 in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Costermans (1981) Native trees and shrubs of south-eastern Australia, p. 211.

Distribution:    N.S.W.; Vic.

Conservation status: native

Flowering time: May — Dec., mainly July — Aug.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available

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