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Trifolium

Tourn. ex L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Fabales Family: Fabaceae Genus: Trifolium

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Description

Key Characters:

Growth Form: Annual or perennial herbs, rarely woody at base.

Stems: Stems erect, sprawling, or prostrate.

Roots:

Leaves: Leaves compound (palmately trifoliolate or sometimes 5–9-foliolate). Alternate. Leaflets usually obovate. Margins toothed or rarely entire. Lateral veins ending at margins, usually in a tooth. Petiolate. Stipules partly adnate to petioles, often sheathing around stem, often dentate, denticulate, or laciniate.

Flowers: Flowers usually in pedunculate, many–flowered heads or condensed spikes, sometimes in involucrate heads or few–flowered umbels, bracts present or absent. Flowers sessile or pedicellate, papilionaceous; bracteoles absent. Calyx tubular or campanulate, rarely bilabiate, the throat either open or closed by an annular callosity or a ring of hairs, usually conspicuously 5–10–nerved or 20–nerved, 5-toothed, the teeth equal or unequal. Corolla variously colored, usually persistent in fruit, the claws of 4 petals often adnate to the staminal tube. Stamens 10; upper stamen distinct, the other 9 connate into a tube. Ovary superior; ovules 1–5(–12).

Fruit: Pods usually membranous; oblong to obovate; subterete or compressed; usually indehiscent or dehiscent by a ventral suture or indurated lid; and usually included in the persistent; sometimes inflated calyx. Seeds 1–4(–10); globose or ovoid; sometimes reniform or lenticular.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Island Status

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Sp. Pl.: 764 (1753)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
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