Trifolium dubium Sibth.

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Photo: Bart Wursten
Main Rd N of Troutbeck nr Cheshire Cottage

Synonyms:	Trifolium minus Sm.
Common names:	Lesser hop-trefoil (English)
Frequency:
Status:	Native
Description:	Annual or biennial herb, with prostrate or ascending branches, up to 30 cm long. Leaves 3-foliolate with obovate leaflets; petiolule of apical leaflet longer than those of lateral leaflets. Flowers in axillary heads, up to 20-flowered. Flowers yellow, turning yellowish-brown after flowering. Flowerheads cone-shaped after flowering, due to the deflexed old flowers.
Notes:
Derivation of specific name:	dubium: uncertain, doubtful
Habitat:	Grassy roadside verges
Altitude range: (metres)	2020 m
Flowering time:
Worldwide distribution:	A native of Europe and Southwest Asia.
Zimbabwe distribution:	E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Images last updated:	Monday 20 July 2009
Literature:	Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 228.

African Plants: A Photo Guide (Senckenberg): Trifolium dubium
African Plant Database: Trifolium dubium
BHL (Biodiversity Heritage Library): Trifolium dubium
EOL (Encyclopedia of Life): Trifolium dubium
GBIF (Global Biodiversity Information Facility): Trifolium dubium
Google: Web - Images - Scholar
iNaturalist: Trifolium dubium
IPNI (International Plant Names Index): Trifolium dubium
JSTOR Plant Science: Trifolium dubium
Mansfeld World Database of Agricultural and Horticultural Crops: Trifolium dubium
Plants of the World Online: Trifolium dubium
Tropicos: Trifolium dubium
Wikipedia: Trifolium dubium