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Electronic Flora of South Australia species Fact Sheet

Zaleya galericulata

Citation: H. Eichler, Suppl. 136 (1965).

Synonymy: Trianthema galericulata Melville, Kew Bull. 7:267 (1952); Z. decandra sensu Tate, Hdbk Fl. Extratrop. S. Aust. 87 (1890), non Burman f.; T. decandra sensu J. Black, Fl. S. Aust. 341 (1948), non L.; T. australis sensu Chippendale, Trans. R. Soc. S. Aust. 82:328 (1959), non Melville.

Common name: Hogweed.

Description:
Herb with dichotomous decumbent or prostrate branches to c. 25 cm long, glabrous or papillose; leaves obovate to oblong, the blade 8-25 mm long, petiole 2-15 mm long.

Perianth-segments mucronulate, 1.5-3 mm long, white often tinged pink.

Capsule c. 4 mm long, cylindrical, with several irregular teeth at the summit, the upper part c. 3 mm long, exserted; seeds 4, black, wrinkled, superposed in each cell.

image of FSA1_Zaleya_gal.jpg Twig, fruit, single fruiting carpel and seed
Image source: fig. 123 in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 297.

Distribution:    W.Aust.; N.T.; Qld; N.S.W.; Tas.

Conservation status: native

Flowering time: throughout the year.


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

Biology: No text

Taxonomic notes: It is possible that the MU and/or SL region collections belong to the closely related (perhaps even not separable as treated by A. Prescott & J. Venning, 1983) Trianthema australis Melville, Kew Bull. 7:266 (1952), which may occur in N.S.W., or to T. pentandra L., Mant. 1:70 (1767), which is native to Africa and the Middle East. Melville (1952) separated these species as follows: Top of operculum prolonged into sharp lateral ridges bearing 2-5 teeth, sides almost straight but near the base often running out into an angular or somewhat rounded step or shelf. = Zaleya galericulata; Operculum bonnet-shaped with the crest on the top poorly developed and the base often everted, sides with distinct reticulate ridging = Trianthema australis; Operculum smooth, uniformly papillose, with blunt rounded crest and the base generally expanded into a rounded solid rim = Trianthema pentandra.

Author: Not yet available


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