Distribution Map

Thesium costatum var. costatum

As at April 2024, 14 herbarium specimens

South African Red List status: LC
Global Distribution: Restricted distribution

Description (Compton's Flora of Swaziland*):
Thesium costatum - Erect with numerous slender branches, often tufted and less than 15 cm high, seldom reaching 30 cm, drying pale, lower leaves spreading, c I cm long, rather blunt, upper much smaller, closely pressed to stem, flowers mostly singly on very short stalks or occasionally on short branches in upper leaf-axils (var. paniculaturn N.E.Br.). Flowers c 2 mm long, segments blunt and incurved.

* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.

Notes:
Global distribution information: southern Africa includes southern Mozambique and southern Zimbabwe.
Restricted distribution has been based on an estimated extent of occurence of less than 100 000 km2 and/or an estimated area of occupancy of 100 km2, based on geo-referenced GBIF and iNaturalist data.