Sulphur Clover - Trifolium ochroleucon

A short to medium rather hairy clover, with short rhizomes and ascending stems. Leaflets oblong to lanceolate, Stipules oblong with a slender apex. Flowers yellowy white, rarely pinkish. 15 to 20 mm with short stalked or unstalked globose or oblong heads, terminal.

Trifolium pannonicum (Hungarian Clover). A scarce casual, probably a grass-seed contaminant, that may turn up.

Whitish-yellow flower; flowers 15-20, in subsessile racemes ((i.e flower-heads either unstalked or with very short stalk).  T pannonicum usually has more florets and at least some flower heads are stalked.  

A photograph of whole plant showing subsessile flower heads (a side-on close-up of flower head will help)

Grassy places.

Flowers June and July.

Perennial.

Local, mainly found in eastern England and quite scarce elsewhere.

Rare in Leicestershire and Rutland. It was not recorded in the 1979 Flora survey of Leicestershire.

In the current checklist, it is listed as Native and rare, on calcareous grassland, with recent records from limestone sites in the the east of Rutland.  

It is on the Rare Plant Register