Karnataka P.K.Mukh. & Constance, Brittonia

Gosavi, Kumar Vinod Chhotupuri, Madhav, Nilesh Appaso, Khandige, Vikas Bhat & Chandore, Arun Nivrutti, 2023, Rediscovery of little-known-monotypic genus Karnataka P. K. Mukh. & Constance (Apiaceae), Phytotaxa 601 (1), pp. 97-102 : 98

Karnataka P.K.Mukh. & Constance, Brittonia 38: 145. 1986.

Perennial tuberous herbs. Rootstock tuberous. Stem slender, ribbed. Leaves ternate to bi-pinnately ternate with dilated sheathing leaf base; basal-middle leaves long petiolate; upper leaves sessile with prominent lamina and sheath; leaflet lobe base attenuate, lateral leaf lobe base unequal. Inflorescence terminal and axillary compound umbel. Involucre bracts absent or present, if present then oval-ovate to oblong. Involucel usually ovate, apex acute to acuminate, rarely trifid, 1-nerved. Rays sub-equal to unequal, ribbed. Bracteoles unequal, linear-ovate to lanceolate, apex obtuse-acute or trifid. Flowers pedicellate; pedicel equal-subequal. Flowers perfect, heteromorphic, some central flowers staminate. Calyx teeth 5, subequal, subulate, persistent. Petals brilliant white, regular, inflexed, acute at apex. Style persistent. Stylopodium discoid, massive, persistent. Fruit dorsally sub-compressed to compressed; mericarp dorsally flattened; ribs primary, prominent, vascular bundles prominent. Lateral ribs prominent, inflexed, unwinged. Commissural vittae 6–7; vallecular vittae unequal, 2–3 between two vallecular ribs, 3–4 between lateral and vallecular ribs. Endosperm grooved under vittae.