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Electronic Flora of South Australia genus Fact Sheet

Family: Loganiaceae
Mitrasacme

Citation: Labill., Nov. Holl. Pl. Sp. 1:35 (1805).

Derivation: Greek mitra, ecclesiastical mitre; acme, summit.

Synonymy: Not Applicable

Common name: None

Description:
Annual or perennial herbs; stems erect or prostrate, leaves opposite, often forming a rosette at the base, sessile, the bases of opposite leaves connected by a membrane.

Flowers bisexual, solitary in upper leaf axils or in umbels; calyx 2- or 4-lobed; corolla campanulate or salver-shaped, 4-lobed, lobes valvate in the bud; stamens 4, usually included; ovary superior or slightly inferior, 2-celled, with many ovules in each cell; styles 2, usually free in the lower part and cohering in the upper part, rarely either entirely cohering or completely free; stigma usually 2-lobed.

Fruit a small capsule, usually globular or ovoid, opening by apical loculicidal slits.

Distribution:  About 40 species mainly in Australia, also Indomalaysia.

Biology: No text

Key to Species:
1. Annuals; calyx 2-lobed
 
2. Styles cohering at the summit at anthesis
M. paradoxa 2.
2. Styles quite free at anthesis
M. distylis 1.
1. Perennials; calyx 4-lobed
M. pilosa 3.

Author: Not yet available


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