Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia genus Fact Sheet

Family: Cyperaceae

Citation: Kunth, Enum. Pl. 2:205 (1837).

Derivation: Latin bulbus, bulb; stylus, style; alluding to the bulb-like style base.

Synonymy: Not Applicable

Common name: None

Slender annuals or perennials, with the leaves all at the base of the stem, the sheaths usually bearded at the orifice with fine needle-like hairs, and the blades very slender; involucral bracts under the inflorescence similar to the leaves, sometimes short.

Spikelets several-flowered, solitary or in heads or in umbel-like inflorescences; glumes imbricate all round the rhachilla, the lowest 1 or 2 empty; flowers bisexual, no hypogynous bristles; styles 2- or 3-cleft, thickened at the base, not articulate on the ovary and at maturity the upper part deciduous, leaving the base as a small button persistent on the nut or occasionally deciduous when very old.

Distribution:  About 100 species in warm regions.

Biology: No text

Key to Species:
1. Spikelets capitate; nut smooth or faintly pitted, minutely reticulate (isodiametric cells)
B. barbata 1.
1. Spikelets umbellate; nut transversely wrinkled and minutely reticulate (elongate cells)
B. turbinata 2.

Author: Not yet available

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