Delicate perennial herbs, sometimes appearing annual, glabrous, with fleshy, cylindric roots
Leaves
basal, filiform or grass-like; cauline, absent or few, narrowly linear
Flowers
in compound umbels; involucres of few bracts
Calyx
with ovate-acuminate teeth
Petals
obovate, with a long, inflexed apex, keeled on face
Disc
conical
Stamens
longer than petals; filaments linear; anthers elliptic, subdidynamous
Styles
spreading, subterete
Fruit
oblong, ribbed, crowned with persistent styles; mericarps oblong, semiterete, flat on face, with 5 prominent ribs; oil ducts 6, 2 on inner face; carpophore 0
Seeds
semiterete
Nomenclature:
Itasina
Raf.
Rafinesque: 51 (1840)
Sonder: 547 (1862), under
Oenanthe
Wolff: 139, 369 (1927), under
Thunbergiella
Burtt: 92 (1988)
Burtt: 243 (1991)
Pimenov & Leonov: 63 (1993)
Distribution & Notes:
Southern Africa
: Species 1:
Itasina filifolia
(Thunb.) Raf., Western Cape eastwards to about Humansdorp (SW Eastern Cape)
References:
BURTT, B.L. 1988. op. cit. XIV.
Notes from the Royal Botanic Garden Edinburgh
45
BURTT, B.L. 1991.
Umbelliferae
of southern Africa: an introduction and annotated checklist.
Edinburgh Journal of Botany
48
PIMENOV, M.G. & LEONOV, M.V. 1993.
The genera of the
Umbelliferae
. A nomenclator
. Royal Botanic Gardens, Kew
RAFINESQUE, C.S. 1840.
The good book:
51. Eleutherium of knowledge, Philadelphia
SONDER, W. 1862.
Umbelliferae
.
Flora capensis
2
WOLFF, H. 1927.
Umbelliferae
.
Das Pflanzenreich
IV. 228 (Heft 90)
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