Emex australis Steinh.
Details
Nomenclature
Steinh.
Steinh.
1838
ICN
Emex australis Steinh.
species
Emex australis
Classification
Vernacular names
Descriptions
Emex australis Steinh.
Annual herb. Stems prostrate to ascending, often reddish. Petiole = or > lamina except in uppermost lvs, to c. 10 mm long. Lamina 2.5-7 × 1.5-4.5 cm, ovate-oblong to almost oblong, entire; base truncate to subcordate; apex obtuse or subacute; ochreae initially c. 1 cm long. ♂ infl. to c. 3 cm long, much shorter towards branch ends; perianth 1.2-1.8 mm long, green. ♀ fls with perianth subtended by membranous bract; outer segments 2-4 mm long at flowering, with an outward-directed spine c. = segment; inner perianth segments exserted from outer but acuminate tip soft and much < spines. Fr. c. 1 cm long including spines, indurated and rigid; outer segments with 4 deep depressions; inner segments completely enclosing the nut; nut glossy, trigonous, c. 5 mm long.
Taxonomic concepts
Emex australis Steinh.
Emex australis Steinh.
Collections
Metadata
c726ce02-c55e-4939-a3ce-473ed5275019
scientific name
Names_Plants
1 January 2000
5 August 2024