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Green Orbea
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Green Orbea
P Introduced Unknown Photo: Oishani Santra
Common name: Green Orbea, Green Starfish Cactus
Botanical name: Orbea dummeri    Family: Apocynaceae (Oleander family)
Synonyms: Caralluma dummeri, Ceropegia dummeri, Stapelia dummeri

Green Orbea is a most unusual perennial soft-wooded fleshy, freely flowering plant. The flowers borne on short stalks are starry, greeny-yellow or olive-green in color and possess a hairy flower surface. It forms small lax mats up to 10 cm tall. Stems are erect, spreading or prostrate, 4-angled to rounded 6-9 cm long pale grey-green with purple spots and stripes with conical-subulate slender teeth, 8-15 mm long and 3-5 mm wide horizontally spreading at the base with red stripes. Flowers are 1 to 6, more or less at branch-ends. Flower-cluster-stalk up to 1.5 mm long. Flower-stalks are 8-12 mm long, about 1.5 mm thick. Sepals are 4-5 mm long, 2 mm wide. Flowers are 2.5-4 cm across, bell-shaped, , deeply incised, inside yellow-green, olive-green or dark green; petals spreading. hairy above. Tube is 4-5 mm long, 8-9 mm across, cup-shaped, embracing the corona. Petals are 1.3-1.5 cm long, about 4 mm wide, triangular, long narrowed, horizontally spreading or erect, convex. Corona is white or yellowish 3.5-4.5 mm across. Green Orbea is native to Congo to E. Tropical Africa, cultivated as a succulent elsewhere.

Identification credit: Kalyan Brata Santra Photographed in cultivation in Malda, West Bengal.

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