R. Br., Prod. Fl. Nov. Holl. 571 (1810).
Synonymy: Stylidium inundatum
Common name: Small trigger-plant.
Annual with erect stem to 15 cm tall, usually somewhat fleshy at least at the base, little-branched, glabrous; leaves sessile, lanceolate to linear, 3-7 x 1-3 mm, acute or obtuse, entire, fleshy.
Inflorescence a thyrse with one to several monochasia each with 3-6 flowers, sparsely glandular-pubescent; peduncle absent; bracts linear, 2-4 mm long; sepals scarcely connate except for 2 almost completely fused, scarcely pubescent; free lobes c. 1.5 mm long; corolla with the tube shorter than the sepals, white or pale-pink, usually without appendages in the throat, or if present then rudimentary; lobes oblong-oblanceolate, with a rounded apex, more or less vertically paired, glabrous; labellum minute, ovate, acuminate, entire; column as long as the shorter petals, with anthers somewhat darker; ovary with numerous ovules along an elongate central placenta.
Capsules narrowly obconical, 6-8 mm long; seeds narrowly ellipsoid, c. 0.3 mm long, with faint vertical ridges.
||Habit, clower and column.
Image source: fig. 640c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Erickson (1958) Triggerplants, pl. 7, fig. 9 & pl. 11, figs 12-20; Carlquist (1969) Aliso 7:23, fig. 10.
S.Aust.: FR, EP, NL, MU, SL, KI, SE. W.Aust.; N.S.W.; Vic.; Tas.
Flowering time: Oct. — Dec.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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