by Thomas Mottl|
Gen. Aroid. t.70 (1858). Lectotype S. mathewsii Schott Gen.
Aroid. t.70 (1858)
Epiphytic, hemiepiphytic or terrestrial herbs with many trichosclereids. When
epiphytic or terrestrial stem erect when hemiepiphytic than stem climbing, often
elongated. Leaves showing high variability in form and size often on the same
plant. Long sheated petioles with apically geniculate. Blades often coriaceous
oblong-elliptic or lanceolate, venation obscured, striate, lateral veins subequal.
Peduncle solitary, elongate with striate venation; at apex geniculate, attendant
by a leaf with petiole sheeted. Spathe and spadix erect, often nodding. Spathe
convolute mostly white, at anthesis inflated but scarcely opening, cadescent.
Spadix always shorter than spathe stipitate sometimes sessile, subcylindric
whitish or becoming green. Flowers hermaphrodite, perianth absent, 4 free stamen,
the filaments flat, oblong connective slender; anthers apical , dehsicent by
longitudinal slits. Pistils truncate ovary (1)-2 locular, ovules 4 - 30 anatropous,
at base of locule fixed in 2 rows; pistil stylar; stigma elliptic to punctiform,
berries truncate, dull yellow, orange, 3 many seeded; seeds clavate-cylindric.
The Genus was first described by Schott in 1858. Engler and Sodiro described
many species in the early 20th century. 1983 Perrez de Gomez revised the Central
American species. For the South American species is no newer work known. The
species ranges from Central America to Bolivia and the north of Argentina and
in the Amazonia and Atlantic region of Brazil.
The genus Stenospermation is placed in Subfamily Monsteroideae
Engler tribe Monsterae Engler.
All description are from Engler, Krause Araceae-Monsteroideae in Das
Pflanzenreich IV. 23B p. 81-90
Engler, Krause Araceae-Monsteroideae in Das Pflanzenreich
IV. 23B p. 81-90,1908
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the link you can download it as a pdf file (700kb) ; you need the Adobe Acrobat Reader 4.0 to open it)
Mayo, Bogner, Boyce, The Genera of Araceae 1998
Steyermark et. al. Flora of the Venezuelean Guayana Vol. II
Species of Stenospermation
Aroideana has 12 articles on Stenospermation. Click Here to see them all.