Acaulescent, tufted herbs, with branched nodose rhizomes bearing many long swollen roots
Leaves
1-4 per shoot, deciduous; petiole sheathing at base, often mottled with purple; lamina simple, sagittate, hastate or cordate at base
Inflorescence
appearing before or contemporary with leaves, borne on short peduncles at ground level
Spathe
tubular with margins connate towards base, limb slightly expanded, deciduous
Spadix
shorter than spathe; female flowers below, male flowers above, separated by an interstice bearing sterile flowers
Flowers
with perianth segments fused, boat-shaped or cupular, truncate and swollen above
Male flowers
many; stamens 2-7, exserted on long free filaments; anthers opening by lateral slits; ovary rudimentary
Female flowers
either few, arranged in a basal circle or many, forming spirals; staminodes lacking; ovary 1- or 2-locular; ovules 1-several per locule on axial placentas; style long; stigma capitate to broadly discoid
Fruit
a berry, 1-few-seeded
Seeds
ovoid, tessellate; with copious endosperm
x = 14
Nomenclature:
Stylochaeton
Lepr.
Leprieur: 184 (1834)
Brown: 34 (1897) [As S
tylochiton
]
Engler: 29 (1920)
Letty: 12 (1962)
Mayo: 42 (1985)
Mayo et al.: 151 (1997)
Stylochiton
Schott
Schott: 10 (1855) orthographic variant
Distribution & Notes:
Global
: Species ± 15, restricted to tropical and southern subtropical Africa
Southern Africa
: Species 1:
Stylochaeton natalensis
Schott, Mpumalanga and KwaZulu-Natal
References:
BROWN, N.E. 1897.
Aroideae
.
Flora capensis
7
ENGLER, A. 1920.
Araceae
-
Pistioideae
.
Das Pflanzenreich
73
LEPRIEUR, F.R. 1834. Sur le
Stylochaeton hypogeum
.
Annales des sciences naturelles, sér
. 2, 2
LETTY, C. 1962.
Wild flowers of the Transvaal
. Hortors, Johannesburg
MAYO, S.J. 1985.
Araceae
.
Flora of tropical East Africa
MAYO, S.J., BOGNER, J., BOYCE, P.C. 1997.
The genera of
Araceae
. Royal Botanic Gardens, Kew
SCHOTT, H.W. 1855.
Aroideae
. C. Gerold, Vienna
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