Edit History
BALLYANTHUS prognathus (Bally) Bruyns [family ASCLEPIADACEAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by M. Gilbert (Ceropegia), D. Goyder (Calotropis, Conomitra, Glossonema, Gomphocarpus, Leptadenia, Marsdenia, Odontanthera, Oxystelma, Pentatropis, Pergularia, Secamone, Stigmatorhynchus, Tylophora), J. Lavranos (Ballyanthus, Caralluma, Desmidorchis, Duvalia, Echidnopsis, Edithcolea, Huernia, Orbea, Pseudolithos, Pseudopectinaria, Rhytidocaulon, Sanguilluma, Whitesloanea), S. Liede-Schumann (Blyttia, Calciphila, Cynanchum, Goydera, Pentarrhinum, Pleurostelma, Schizostephanus), M. Thulin (Acokanthera, Adenium, Ancylobotrys, Carissa, Catharanthus, Cryptostegia, Ephippiocarpa, Hunteria, Landolphia, Nerium, Plumeria, Saba, Strophanthus, Tabernaemontana, Thevetia, Wrightia), and J. Venter (Buckollia, Cryptolepis, Periploca, Raphionacme, Schlechterella, Tacazzea). [updated by M. Thulin 2008]
Names
BALLYANTHUS prognathus (Bally) Bruyns [family ASCLEPIADACEAE], (2001);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Stapelia prognatha Bally [family ASCLEPIADACEAE], (1962);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Orbea prognatha (Bally) Leach [family ASCLEPIADACEAE], (1978);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Information
Stems up to 60 mm long, 15–20 mm thick, erect or procumbent, forming small clumps, the teeth pointed, 3–6 mm long. Flowers solitary or up to 6 together; pedicels 8–25 mm long. Corolla 15–32 mm wide, light to dark purplish brown, near centre abruptly thickened into an inward-pointing annulus leaving a small flat cavity at the base of the tube and with a very constricted mouth close to the gynostegium; lobes broadly triangular with reflexed tips and ciliate margins. Corona dark purple, 2–4 mm high and 3.5–4.5 mm wide, protruding from the corolla-tube; outer lobes forming a pentagonal disk; inner lobes incumbent over the anthers then connivent and largely exceeding the staminal column, with a dorsal reflexed projection at the base.
Range
N1 not known elsewhere.
Altitude range
1300–1800 m.
Distribution
SOMALIA Bally 11697; Hemming s.n.
Notes
There is a considerable variation in flower size, the typical form from “Gaan Libah” having flowers 15–18 mm wide, whereas plants from north-east of “Burao” have flowers up to 32 mm across.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by M. Gilbert (Ceropegia), D. Goyder (Calotropis, Conomitra, Glossonema, Gomphocarpus, Leptadenia, Marsdenia, Odontanthera, Oxystelma, Pentatropis, Pergularia, Secamone, Stigmatorhynchus, Tylophora), J. Lavranos (Ballyanthus, Caralluma, Desmidorchis, Duvalia, Echidnopsis, Edithcolea, Huernia, Orbea, Pseudolithos, Pseudopectinaria, Rhytidocaulon, Sanguilluma, Whitesloanea), S. Liede-Schumann (Blyttia, Calciphila, Cynanchum, Goydera, Pentarrhinum, Pleurostelma, Schizostephanus), M. Thulin (Acokanthera, Adenium, Ancylobotrys, Carissa, Catharanthus, Cryptostegia, Ephippiocarpa, Hunteria, Landolphia, Nerium, Plumeria, Saba, Strophanthus, Tabernaemontana, Thevetia, Wrightia), and J. Venter (Buckollia, Cryptolepis, Periploca, Raphionacme, Schlechterella, Tacazzea). [updated by M. Thulin 2008]
Names
BALLYANTHUS prognathus (Bally) Bruyns [family ASCLEPIADACEAE], (2001);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Stapelia prognatha Bally [family ASCLEPIADACEAE], (1962);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Orbea prognatha (Bally) Leach [family ASCLEPIADACEAE], (1978);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Information
Stems up to 60 mm long, 15–20 mm thick, erect or procumbent, forming small clumps, the teeth pointed, 3–6 mm long. Flowers solitary or up to 6 together; pedicels 8–25 mm long. Corolla 15–32 mm wide, light to dark purplish brown, near centre abruptly thickened into an inward-pointing annulus leaving a small flat cavity at the base of the tube and with a very constricted mouth close to the gynostegium; lobes broadly triangular with reflexed tips and ciliate margins. Corona dark purple, 2–4 mm high and 3.5–4.5 mm wide, protruding from the corolla-tube; outer lobes forming a pentagonal disk; inner lobes incumbent over the anthers then connivent and largely exceeding the staminal column, with a dorsal reflexed projection at the base.
Range
N1 not known elsewhere.
Altitude range
1300–1800 m.
Distribution
SOMALIA Bally 11697; Hemming s.n.
Notes
There is a considerable variation in flower size, the typical form from “Gaan Libah” having flowers 15–18 mm wide, whereas plants from north-east of “Burao” have flowers up to 32 mm across.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by M. Gilbert (Ceropegia), D. Goyder (Calotropis, Conomitra, Glossonema, Gomphocarpus, Leptadenia, Marsdenia, Odontanthera, Oxystelma, Pentatropis, Pergularia, Secamone, Stigmatorhynchus, Tylophora), J. Lavranos (Ballyanthus, Caralluma, Desmidorchis, Duvalia, Echidnopsis, Edithcolea, Huernia, Orbea, Pseudolithos, Pseudopectinaria, Rhytidocaulon, Sanguilluma, Whitesloanea), S. Liede-Schumann (Blyttia, Calciphila, Cynanchum, Goydera, Pentarrhinum, Pleurostelma, Schizostephanus), M. Thulin (Acokanthera, Adenium, Ancylobotrys, Carissa, Catharanthus, Cryptostegia, Ephippiocarpa, Hunteria, Landolphia, Nerium, Plumeria, Saba, Strophanthus, Tabernaemontana, Thevetia, Wrightia), and J. Venter (Buckollia, Cryptolepis, Periploca, Raphionacme, Schlechterella, Tacazzea). [updated by M. Thulin 2008]
Names
BALLYANTHUS prognathus (Bally) Bruyns [family ASCLEPIADACEAE], (2001);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Stapelia prognatha Bally [family ASCLEPIADACEAE], (1962);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Orbea prognatha (Bally) Leach [family ASCLEPIADACEAE], (1978);. type: N1, “Golis” Range, “Gaan Libah”, Glover in Bally S147 (K holo., ZSS iso.). Fig. 134.
Information
Stems up to 60 mm long, 15–20 mm thick, erect or procumbent, forming small clumps, the teeth pointed, 3–6 mm long. Flowers solitary or up to 6 together; pedicels 8–25 mm long. Corolla 15–32 mm wide, light to dark purplish brown, near centre abruptly thickened into an inward-pointing annulus leaving a small flat cavity at the base of the tube and with a very constricted mouth close to the gynostegium; lobes broadly triangular with reflexed tips and ciliate margins. Corona dark purple, 2–4 mm high and 3.5–4.5 mm wide, protruding from the corolla-tube; outer lobes forming a pentagonal disk; inner lobes incumbent over the anthers then connivent and largely exceeding the staminal column, with a dorsal reflexed projection at the base.
Range
N1 not known elsewhere.
Altitude range
1300–1800 m.
Distribution
SOMALIA Bally 11697; Hemming s.n.
Notes
There is a considerable variation in flower size, the typical form from “Gaan Libah” having flowers 15–18 mm wide, whereas plants from north-east of “Burao” have flowers up to 32 mm across.
![BALLYANTHUS prognathus (Bally) Bruyns [family ASCLEPIADACEAE]](/fsi/img/misc/plants/static_thumbs/flora_somalia_icon96.jpg)
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