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Electronic Flora of South Australia species Fact Sheet

Family: Cyperaceae
Isolepis hookeriana

Citation: Boeckeler, Flora 41:418 (1858).

Synonymy: Scirpus hookeranus (Boeckeler) S.T. Blake, Contr. Qld Herb. 8:19 (1969); S. calocarpus S.T. Blake, Proc. R. Soc. Qld 51:179 (1940). , Scirpus hookerianus

Common name: None

Description:
Small tufted annual, to 12 cm high; stems setaceous; leaf blades to 3 mm long, filiform, more often absent; bract shorter or longer than the cluster, somewhat glume-like.

Spikelets 1 or 2 in a cluster, oblique, ovoid to oblong, angular, severalflowered, 2.5-3.5 mm long; glumes c. 1.5 mm long, 5-7-nerved, with a green keel, the lateral nerves faint, the tip spreading; stamens 3; style branches 3.

Nut nearly globular, c. 0.6 x 0.5 mm, straw-coloured to brown or black, with prominent longitudinal striations of a transparent glistening fine papillose layer, about a third as long as the glume.

Distribution:  S.Aust.: FR, EP, NL, MU, YP, SL, KI, SE.   All States except the N.T.

Conservation status: native

Flowering time: usually Sept. — Feb.


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

Biology: A species allied to I. hookeriana, occurring in S.Aust. (SL) and Vic., has yet to be described.

Author: Not yet available


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