Shrubs or shrublets, virgate, erect, arising (except for
C. nubigenum
) from a single stem at base
Leaves
alternate, linear or linear-lanceolate, acute, mucronate, petiolate, glabrous, gland-dotted, ± in two rows; margins narrowly translucent, smooth, ciliolate, serrulate or villose-ciliate
Flowers
solitary, terminal or axillary, subtended by 3-8 bracts and 2 bracteoles
Petals
5, spreading, white or pink; claw (except for
C. nubigenum
) connate with staminode
Anthers
5, each with a minute apical gland
Disc
cupular, narrow, partly free, fairly level on top
Ovary
5-carpellate, glabrous; apices globose with an immersed gland; stigma capitate, depressed globose; style and filaments short, glabrous
Fruit
5-carpellate, glabrous, hornless or with short horns, spreading or erect
x = 17 (9) (polyploidy)
Nomenclature:
Coleonema
Bartl. & H.L.Wendl.
Bartling & Wendland: 55, t. A (1824)
Williams: 63 (1981)
Distribution & Notes:
Southern Africa
: Species 8, concentrated in Western Cape, extending eastwards to Uitenhage (S Eastern Cape)
References:
BARTLING, F.G. & WENDLAND, H.L. 1824. I.
Diosmeae
descriptae et illustratae.
Beiträge zur Botanik
1
WILLIAMS, I. 1981. Studies in the genera of the
Diosmeae
(
Rutaceae
). A revision of the genus
Coleonema
.
Journal of South African Botany
47
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