Edit History
CERCESTIS Schott [family ARACEAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 8, page 137, (1902) Author: (By N. E. Brown.)
Names
CERCESTIS Schott [family ARACEAE], Benth. et Hook. f. Gen. Pl. iii. 980.
Alocasiophyllum Engl. [family ], Jahrb. xv. 449.
Information
Spathe convolute in the lower part, concave or boat-shaped above, deciduous. Spadix free, monœcious, without an appendix or neuter organs; male and female parts contiguous. Perianth none. Ovary 1-celled; stigma sessile, large, discoid. Ovule solitary, subbasal, or a little above the base on that side of the ovary which is directed towards the apex of the spadix, anatropous. Male flowers crowded; anthers 2–4, free, sessile, broadly cuneate-oblong, truncate, 2-celled; connective broad; cells opening by terminal pores. Berries ellipsoid or obovoid, 1-seeded. Seed erect, ellipsoid; testa rather thin, subcoriaceous; albumen copious; embryo very small, seated at the base of the albumen. —Stems climbing or creeping, rooting. Leaves alternate, petiolate, cordate-oblong, sagittate, hastate or 3-lobed, penniveined; primary veins distant, secondary reticulated; petiole sheathing at the base or to the middle. Peduncle solitary, terminal or leaf-opposed.
Range
An endemic genus of 5 species.
Notes
I cannot in any way distinguish Alocasiophyllum, Engl., from Cercestis, Schott.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 8, page 137, (1902) Author: (By N. E. Brown.)
Names
CERCESTIS Schott [family ARACEAE], Benth. et Hook. f. Gen. Pl. iii. 980.
Alocasiophyllum Engl. [family ], Jahrb. xv. 449.
Information
Spathe convolute in the lower part, concave or boat-shaped above, deciduous. Spadix free, monœcious, without an appendix or neuter organs; male and female parts contiguous. Perianth none. Ovary 1-celled; stigma sessile, large, discoid. Ovule solitary, subbasal, or a little above the base on that side of the ovary which is directed towards the apex of the spadix, anatropous. Male flowers crowded; anthers 2–4, free, sessile, broadly cuneate-oblong, truncate, 2-celled; connective broad; cells opening by terminal pores. Berries ellipsoid or obovoid, 1-seeded. Seed erect, ellipsoid; testa rather thin, subcoriaceous; albumen copious; embryo very small, seated at the base of the albumen. —Stems climbing or creeping, rooting. Leaves alternate, petiolate, cordate-oblong, sagittate, hastate or 3-lobed, penniveined; primary veins distant, secondary reticulated; petiole sheathing at the base or to the middle. Peduncle solitary, terminal or leaf-opposed.
Range
An endemic genus of 5 species.
Notes
I cannot in any way distinguish Alocasiophyllum, Engl., from Cercestis, Schott.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 8, page 137, (1902) Author: (By N. E. Brown.)
Names
CERCESTIS Schott [family ARACEAE], Benth. et Hook. f. Gen. Pl. iii. 980.
Alocasiophyllum Engl. [family ], Jahrb. xv. 449.
Information
Spathe convolute in the lower part, concave or boat-shaped above, deciduous. Spadix free, monœcious, without an appendix or neuter organs; male and female parts contiguous. Perianth none. Ovary 1-celled; stigma sessile, large, discoid. Ovule solitary, subbasal, or a little above the base on that side of the ovary which is directed towards the apex of the spadix, anatropous. Male flowers crowded; anthers 2–4, free, sessile, broadly cuneate-oblong, truncate, 2-celled; connective broad; cells opening by terminal pores. Berries ellipsoid or obovoid, 1-seeded. Seed erect, ellipsoid; testa rather thin, subcoriaceous; albumen copious; embryo very small, seated at the base of the albumen. —Stems climbing or creeping, rooting. Leaves alternate, petiolate, cordate-oblong, sagittate, hastate or 3-lobed, penniveined; primary veins distant, secondary reticulated; petiole sheathing at the base or to the middle. Peduncle solitary, terminal or leaf-opposed.
Range
An endemic genus of 5 species.
Notes
I cannot in any way distinguish Alocasiophyllum, Engl., from Cercestis, Schott.
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