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Electronic Flora of South Australia
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Electronic Flora of South Australia genus Fact Sheet

Family: Rosaceae
Aphanes

Citation: L., Sp. Pl. 123 (1753).

Synonymy: Not Applicable

Common name: Pierts.

Description:
Annual hairy herbs with palmate leaves; stipules large, connate.

Flowers to 2.5 mm long, green, in dense sessile clusters opposite the leaves; epicalyx (outer whorl of sepals) of 4 small sepals; inner calyx of 4 larger sepals; petals 0; stamens 1 or 2, inserted on a disk; carpels 1 or 2, forming a superior ovary, enclosed in a cup-shaped receptacular tube, each with 1 erect ovule and a basal style with a capitate stigma.

Fruit dry, small, enclosed in the receptacular tube.

Distribution:  About 20 species in the Northern Hemisphere and Australia. (W. Rothmaler (1955), Reprium nov. Spec. Regni veg. 587307-315.)

Biology: No text

Key to Species:
1. Receptacle in fruit green or yellow, urceolate; inner sepals c. 4 times as long as the epicalyx
A. arvensis 1.
1. Receptacle in fruit brown or reddish, campanulate; inner sepals c. 3 times as long as the epicalyx
A. australiana 2.

Author: Not yet available


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