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woolly senna, woolly wild sensitive-plant

Senna hirsuta

Distribution
from USDA
sw United States; Mexico; South America; Asia; Africa; Pacific Islands; Australia; worldwide in tropical and subtropical regions
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Discussion

Varieties 7 (1 in the flora).

Recent molecular phylogenetic analyses of Senna hirsuta (B. Marazzi et al. 2006; Marazzi and M. J. Sanderson 2010) suggest that this species is paraphyletic and may actually represent more than one species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Caesalpinioideae (excluding Mimosoid clade) > Senna
Sibling taxa
S. alata, S. armata, S. artemisioides, S. atomaria, S. bauhinioides, S. corymbosa, S. covesii, S. durangensis, S. hebecarpa, S. ligustrina, S. lindheimeriana, S. marilandica, S. mexicana, S. multiglandulosa, S. obtusifolia, S. occidentalis, S. orcuttii, S. pendula, S. pilosior, S. pumilio, S. ripleyana, S. roemeriana, S. surattensis, S. wislizeni
Subordinate taxa
S. hirsuta var. glaberrima
Synonyms Cassia hirsuta, Ditremexa hirsuta
Name authority (Linnaeus) H. S. Irwin & Barneby: Phytologia 44: 499. (1979)
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