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Electronic Flora of South Australia species Fact Sheet

Family: Orchidaceae
Dipodium punctatum

Citation: R. Br., Prod. Fl. Nov. Holl. 331 (1810).

Synonymy: Dendrobium punctatum Smith, Exot. Bot. 1:21 (1804).

Common name: Hyacinth (or spotted) orchid.

Description:
A leafless fleshy plant, 30-75 cm high; with an extensive system of thick elongated tuberous roots.

Extra-floral nectaries at the base of each floral pedicel; flowers often numerous, large, pink or whitish, sometimes spotted, in a loose raceme; perianth-segments free, similar, oblong-lanceolate, recurved or spreading; sepals c. 17 mm long, the petals rather shorter; labellum sessile, erect, c. 13 mm long, 3-lobed, the lateral lobes much shorter than the middle one; lamina with 2 short raised lines from a little below the centre, uniting to form a hairy keel ending in a woolly patch near the apex; base of labellum often inflated into what may be a vestigial nectar spur; column about half as long as the labellum; anther hemispherical, lid-like, 2-celled; pollinia 2, 2-lobed, waxy, attached to the double stipes of the viscid disk; stigma deeply excavated, transversely oval, just below the rostellum.

Published illustration: Fitzgerald (1882) Australian orchids vol. 1, pt 7; Clyne (1970) Australian ground orchids, p. 89; Cady & Rotherham (1970) Australian native orchids in colour, pl. 74.

Distribution:  Occurs singly or in small groups in Eucalyptus obliqua or E. baxteri forest.

S.Aust.: SE.   Qld; N.S.W.; Vic.; Tas.

Conservation status: native

Flowering time: Dec. — April.


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

Biology: No text

Author: Not yet available


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