Subspecies, varieties, forms and cultivars of plants belonging to the Caralluma adscendens group

• Caralluma adscendens (Roxb.) Haw.: (var. adscendens) Stems edges rounded or sharp; Tubrcles blunt, protruding, horizontally spreading; Flowers drooping; Corolla green, dotted with purple, lobes brownish, spreading outwards, glabrous. Distribution: widespread in India, Ceylon and Burma.
• Caralluma adscendens var. attenuata (Wight) Gravely & Mayur.: Tubercles strongly bent upwards; Flower not quite as drooping as in var. adscendens and var. fimbriata; Pedicel horizontally spreading; Corolla 1.5 cm in diameter, hairy. Distribution: widespread in Indian sub-continent.
• Caralluma adscendens var. carinata Gravely & Mayur.: stem often unhranched, edges acute; Tubercles as in var. attenuata; Flowers erect; Pedicel horizontally spreading; Corolla purple, lobes light maroon banded with yellow. Intermediate between var. attenuata and var. fimbriata in habit. Distribution: India.
• Caralluma adscendens var. fimbriata (Wall.) Gravely: Stems (at least close to the base) with rounded edges: Tubercles as in var. attenuata; corolla rather small, similar to var. attenuata. Distribution: India, Sri Lanka and Burma.
• Caralluma adscendens var. geniculata Gravely & Mayur.: stems ascending-erect, occasionally branched. Tubercles indistinctly set off. Pedicel ascending or horizontally spreading. Corolla yellow striped with dark-brown, tube opening widely. It is more related to Caralluma bhupinderiana. Distribution: India.
• Caralluma adscendens var. gracilis Gravely & Mayur.: Stems very slender and strongly branched with acute edges; inflorescence with 2 erect Flowers; Pedicels long, slender, ascending. Corolla lobes strongly revolute. Distribution: India.
• Caralluma dalzielii N.E.Br.: Distribution: Africa North of the equator (Sahelian zone in Africa east to Somalia).
• Caralluma subulata (Forssk.) Decne.: Distribution: Arabian Peninsula.