Alternanthera Forsskal 1775
Creators: name: Arya, Sindhu
name: Kumar, Venugopalan Nair Saradamma Anil
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Caryophyllales
Amaranthaceae
Alternanthera

description: Taxonomic notes:— In India, the genus Alternanthera is represented by 7 species. A diagnostic key is below presented:
1. Sepals acute, smooth ..........................................................................................................................................................................2
1. Sepal obtuse, aristate .......................................................................................................................................................... A. pungens
2. Inflorescence peduncled .....................................................................................................................................................................3
2. Inflorescence sessile ...........................................................................................................................................................................5
3. Bracteole absent........................................................................................................................................................... A. ebracteolata
3. Bracteole present ................................................................................................................................................................................4
4. Stem hollow succulent and leaf narrow to linear ....................................................................................................... A. philoxeroides
4. Stem solid, non succulent and leaves broad ovate to obovate......................................................................................... A. brasiliana
5. Appendages on androecial tube 5 in number .....................................................................................................................................6
5. Appendages on androecial tube 3 in number ....................................................................................................................... A. sessilis
6. Appendages on androecial tube margin fimbriate..............................................................................................................................7
6. Appendages on androecial tube entire to dentate .................................................................................................... A. paronychioides
7. Sepal villous with partially candilabriform trichomes ......................................................................................................... A. tenella
7. Sepal villous with uniseriate simple trichomes ............................................................................................................ A. bettzickiana
description: Published as part of Arya, Sindhu & Kumar, Venugopalan Nair Saradamma Anil, 2021, Alternanthera ebracteolata (Amaranthaceae), a new species from Kerala (SW- India), pp. 277-283 in Phytotaxa 480 (3) on pages 280-281, DOI: 10.11646/phytotaxa.480.3.7, http://zenodo.org/record/5417342