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Electronic Flora of South Australia species Fact Sheet

Family: Stylidiaceae
Stylidium beaugleholei

Citation: J.H. Willis, Muelleria 1:153 (1767).

Synonymy: Stylidium despectum

Common name: Beaugleholes trigger-plant.

Description:
Delicate annual with an erect stem rarely up to 5 cm tall, occasionally with 2 or 3 erect branches from the basal rosette of 2-4 leaves, glabrous; leaves sessile, linear to linear-triangular, 3-5 x c. 0.7 mm, usually obtuse, fleshy.

Inflorescence 1 or rarely up to 3 monochasia each with 1-5 stalked flowers, glandular-pubescent; peduncle 1-3 cm long, glabrous to sparsely glandular-pubescent; bracts linear-lanceolate, c. 1 mm long; sepals scarcely connate except for 1 pair, c. 1 mm long; corolla with the tube shorter than the sepals, pale-pink above and a deeper rose with a darker stripe on the reverse, with lumps or short appendages in the throat; lobes oblong-oblanceolate with a rounded apex, unequally long, not paired, glabrous; labellum ovate, without appendages; column short, with greenish anthers; stigma an inconspicuous rounded tuft; ovary with many ovules along an elongate central placenta.

Capsule narrowly obconical, 5-7 mm long, dehiscing mainly towards the apex; seeds narrowly ellipsoid, c. 0.2 mm long, with vertical ridges.

image of FSA3_Stylidium_bea.jpg Habit, column and opened ovary.
Image source: fig. 640a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Carlquist (1969) Aliso 7:23, fig. 11.

Distribution:  Swamps.

S.Aust.: SL, KI, SE.   W.Aust.; Vic.

Conservation status: native

Flowering time: Nov. — Jan.


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

Biology: Carlquist (1969) Aliso 7:26 found that plants of this species from W.Aust. had an insensitive and not hinged column.

Author: Not yet available


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