Holothrix hydra P.J.Cribb, Kew Bull. 34: 321 (1979).
Description:
Herba erecta, terrestris, usque 10 cm alta, tubere elongato fusiformicylindraceo tomentoso 2 x 0-6 cm. Folia dua, basalia, prostrata, late cordata vel orbicularia, obtusa vel breviter acuminata, usque 5-2 x 6 cm, glabra. Inflorescentiear ecta, usque 40 cm longa, laxe pauci- vel multiflora, pedunculo et rhachide pubescentibus, bracteis lanceolatis acuminatis pubescentibus usque 8 x 2 mm. Flores magni, arachniformes, candidi. Sepala subsimilia, ovata, acuminata, 7-8 x 3 mm, pubescentia. Petala anguste unguiculata, in dimidio distali dilatata et profunde dissecta, usque 20 x 10 mm, fimbriis linearibus ornata. Labellum petalis simile, fimbria centrali apice bifida, calcari angustato incurvato 2-3 mm longo. Columna erecta, brevis, 4 mm longa.
Habitat:
In grassland and in open woodland on steep slopes.
Notes:
Holothrix hydra is closely allied to H. longiflora Rolfe with which it has been
confused in the past
Distribution:
Tanzania
