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Electronic Flora of South Australia genus Fact Sheet

Family: Chenopodiaceae
Threlkeldia

Citation: R. Br., Prod. Fl. Nov. Holl. 409 (1810).

Derivation: Named after Caleb Threlkeld, 1676-1728.

Synonymy: Not Applicable

Common name: None

Description:
Small woody perennials, glabrous except for the axillary pubescence; leaves alternate, subterete, fleshy.

Flowers axillary, solitary, bisexual; perianth fleshy, glabrous; stamens 3-5.

Fruiting perianth tubular to urceolate, to 3 mm long, succulent or dry, woody at least within, without spines or wings, glabrous except for the ciliate lobes; pericarp thin, brittle above; seed horizontal to vertical; embryo annular, radicle erect; perisperm central.

Distribution:  A genus of 2 species endemic to Australia.

Biology: No text

Taxonomic notes: This genus has been variously circumscribed. The two species that are here recognised do not appear to be particularly closely related; both have close affinities with species of Sclerolaena from which genus they are formally excluded due to the absence of spines.

Key to Species:
1. Fruiting perianth ovoid to urceolate, succulent outside; tube extending upwards to cover the lobes
T. diffusa 1.
1. Fruiting perianth obovoid, laterally compressed, dry; perianth lobes exposed at the apex
T. inchoata 2.

Author: Not yet available


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