Revisiting the taxonomy of Helictotrichon schmidii (Poaceae, Poeae, Aveninae) from India, with updated regional distribution and conservation status

The taxonomy of Helictotrichon schmidii is discussed, a lectotype and a detailed description are provided, and its distribution in the Western Himalaya, India is expanded by new data. Detailed micromorphological study revealed that the species is closely allied to the genus Tzveleviochloa by having...

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Bibliographic Details
Published in:Nordic journal of botany 2021-04, Vol.39 (4), p.n/a
Main Authors: Prasad, Dileshwar, Jaiswal, Shubham, Tripathi, Shailja, Yadav, Rekha, Agnihotri, Priyanka
Format: Article
Language:English
Subjects:
A. aspera var. schmidii
Avena
Conservation status
Helictotrichon
Lectotypes
morphology
Ovaries
range extension
Rohtang Pass
Taxonomy
Western Ghat
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Summary:The taxonomy of Helictotrichon schmidii is discussed, a lectotype and a detailed description are provided, and its distribution in the Western Himalaya, India is expanded by new data. Detailed micromorphological study revealed that the species is closely allied to the genus Tzveleviochloa by having the lemma tip entire to slightly cleft and 2‐aristate like Trisetum, lodicule asymmetrically lobed and ovary densely hirsute at the apex. Thus, a new combination in the genus Tzveleviochloa is proposed, and its circumscription, especially lemma, ovary and lodicules, and taxonomy is clarified. In addition, comparison is made among the three closely related oat‐like perennial grasses, Helictotrichon s. str., Trisetopsis and Tzveleviochloa.
ISSN:0107-055X
1756-1051
DOI:10.1111/njb.03024