Scientific name:

Bupleurum tenuissimum

Vernacular name:

Hare's-ear, Slender

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Bupleurum falcatum - Hare's-ear, Sickle-leaved
Bupleurum baldense - Hare's-ear, Small

Slender Hare's-ear

Scientific name: Bupleurum tenuissimum L.

Diagnostic features
Erect to procumbent slender annual to 50cm.
Leaves linear to very narrowly oblanceolate, with 3 main veins, the lower mostly more than 2cm by less than 5mm.
Bracts 3-5, often longer than shortest rays, ± linear.
Rays 1-3, unequal; fruit 1.5-2mm, with slender ridges, tuberculate.

Chromosome number: (2n=16).

Habitat
Native; grassy or barish brackish ground.

Distribution
Coasts of South Britain from Mons (formerly Glam) to Southeast Yorks (formerly Durham), Flints, formerly rare inland.

This species is keyed out on Page 919 in the Text Key.

Tutin, T.G. 1980. Umbellifers of the British Isles. BSBI Handbook No. 2. Botanical Society of the British Isles, London. Illustrated by Ann Davies.

Bupleurum tenuissimum 3 (Flowering habit, picture taken in Germany by E. Garve)
Bupleurum tenuissimum a (Habit and fruit details, drawing by A. Davies in Tutin, 1980; BSBI Handbook 2.)

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