Rootstock
a small globose corm rooting from below, basal in origin, tunics of fine fibres
Stem
short or long, erect, terete, often with 1-3 short branches
Leaves
few, lower 2 or 3 cataphylls; foliage leaves 2 or 3, unifacial, with a definite midrib, prostrate, soft-textured
Inflorescence
of solitary flowers terminal on axes; bracts green, coriaceous, inner often slightly longer, or slightly shorter than outer, often notched apically
Flowers
zygomorphic, tubular or hypocrateriform, whitish or pink, sometimes with contrasting markings on lower tepals, sometimes sweetly scented, with nectar from septal nectaries; perianth tube cylindric and elongate
Tepals
subequal, spreading or dorsal ones erect, slightly larger, and cucullate
Stamens
unilateral and arcuate, arising shortly below mouth of tube; anthers exserted; pollen monosulcate, operculate, exine perforate
Style
filiform, exserted, branches short, deeply divided and recurved
Capsules
oblong to cylindric, cartilaginous
Seeds
strongly angled, with a chalazal crest, rugulose, matte, surface areolate
x = 11
Classification Notes:
The relationships of the genus are uncertain
Nomenclature:
Xenoscapa
(Goldblatt) Goldblatt & J.C.Manning
Goldblatt & Manning: 172 (1995)
Anomatheca
Ker Gawl. section
Xenoscapa
Goldblatt
Goldblatt: 88 (1972)
Distribution & Notes:
Southern Africa
: Species 2, 1 widespread in the winter-rainfall region and one highly localised in Namaqualand (Northern Cape), either on granite or clay soils
Additional Notes:
Xenoscapa uliginosa
is pollinated by the long-proboscid fly, Prosoeca peringueyi (Nemestrinidae), and
X. fistulosa
, which has fragrant flowers, probably by moths
References:
GOLDBLATT, P. 1972. A revision of the genera
Lapeirousia
Pourret and
Anomatheca
Ker in the winter rainfall region of South Africa.
Contributions from the Bolus Herbarium
4
GOLDBLATT, P. & MANNING, J.C. 1995. Phylogeny of the African genera
Anomatheca
and
Freesia
(
Iridaceae
-
Ixioideae
), and a new genus
Xenoscapa
.
Systematic Botany
20
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