Argostemma courtallense Arn. Argostemma species- Mizoram (Argostemma courtallense ?) Argostemma monophyllum Ridl. (Assam as per POWO) Argostemma quarantena Anoop Puthuparampil Balan, Robi A. J., Nanu Sasidharan (2021) Argostemma sarmentosum Wall. (Himalaya to Bangladesh: Bangladesh, East Himalaya, Nepal, West Himalaya as per POWO) Argostemma verticillatum Wall. (Himalaya to China (Yunnan) and N. Indo-China: Assam, China South-Central, East Himalaya, Laos, Myanmar, Nepal, Thailand, Vietnam, West Himalaya as per POWO) Argostemma species- A new species?- Tlangpui, South Mizoram . BSI Flora of India Checklist (Distribution): Name Distribution Argostemma anupama Doubtful Taxa Argostemma courtallense Karnataka, Kerala, Tamil Nadu Argostemma humile Meghalaya Argostemma inaequilaterum Doubtful Taxa Argostemma khasianum Meghalaya Argostemma monophyllum Assam, Meghalaya Argostemma neurocalyx Andaman Islands Argostemma oliganthum Doubtful Taxa Argostemma pumilum Doubtful Taxa Argostemma rostratum Kerala, Meghalaya, Mizoram Argostemma sarmentosum Assam, Meghalaya, Punjab, Sikkim, Tripura, Uttarakhand, West Bengal Argostemma soneriloids Doubtful Taxa Argostemma timorense Andaman & Nicobar Islands Argostemma verticillatum Andhra Pradesh, Himachal Pradesh, Karnataka, Maharashtra, Meghalaya, Nagaland, Sikkim, Uttarakhand, West Bengal . Flora of Peninsular India with keys at species links, if any: Argostemma anupama Argostemma courtallense Argostemma rostratum (Kerala, Meghalaya, Mizoram as per BSI Flora of India Checklist) Argostemma sarmentosum Argostemma verticillatum . Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993)- Argostemma sarmentosum, Argostemma verticillatum Wall. . Species with description in Flora of Pakistan : Argostemma sarmentosum Wall. . Species in annotated checklist of Flowering plants of Nepal : Argostemma sarmentosum Wall. Argostemma verticillatum Wall. . As per efi thread: Flowers with 4 petals…..A.sarmentosum; flowers with five petals…… A. verticillatum.
