Arisaema costatum tuber
Pen and ink on Bristol board, unframed
An original pen and ink illustration of an Arisaema costatum tuber.
Common name: Ribbed Cobra Lily or Purple or Sikkim Jack in the Pulpit Section Arisaema Type: A. speciosum (Wall.) Mart. ex Schott
A. costatum has huge leaves which make it a popular garden plant, coupled with its tendency to flourish in European and North American climates. The underside of the leaf is quite distinct with very prominent parallel veins. The name comes from the ribbed inner surface of the spathe-tube, costa – rib, costatus – ribbed.
Deciduous, to 60 cm tall and wide, distribution through C and E Nepal, W China, and S Xizang. Mixed forests, shrubbery and open slopes, 1900 – 3180m. Flowering period June to July, ripening November to December.
“The Genus Arisaema, A Monograph for Botanist and Nature Lovers“, Guy and Liliane Gusman, 2006, A.R.G. Gantner Verlag K.G. “Himalayan Cobra-lilies (Arisaema) Their Botany and Culture”, Udai C. Pradhan, 1990, Primulaceae Books, Himalayan Plant Journal, Kalimpong-734301, Darjeeling, Gorka Hill Council, West Bengal, India. “100 Himalayan Flowers” P. V. Bole and Ashvin Mehta, Vendome Press, 1991.
© Marianne Hazlewood
Arisaema ink shoots - original pen and ink illustrations
Arisaema griffithii var pradhanii | Arisaema costatum II | Arisaema griffithii | Ariseama cilliatum | Ariseama griffithii II | Arisaema tortuosum | Arisaema costatum 3 shoots | Arisaema costatum 2 shoots | Arisaema griffithii newer shoots | Ariseama griffithii older shoots | Arisaema ringens 3 shoots