Argostemma courtallense Arn.

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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)

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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)

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Argostemma species- A new species?- Tlangpui, South Mizoram
  


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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

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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


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As per efi thread:
Flowers with 4 petals…..A.sarmentosum;
flowers with five petals…… A. verticillatum.