Botanical Survey of India | Flora of India

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Thesium hookeri Hendrych, Acta Horti Bot. Prag. 109. 1962.


Perennial herbs, root-parasites, 15 – 35 cm high; rhizome thick, spreading, stoloniferous; stems erect, ascending or decumbent, usually simple, rarely branched. Leaves sessile, oblong or linear to linear-lanceolate, acuminate at apex, 20 – 55 x 2 – 4 mm, 1- or 3-nerved. Flowers: axillary, solitary, 3.5 – 5 mm long; pedicels 7 – 20 mm long in fruit, obliquely erect; bracts foliaceous, oblong to linear-oblong, 1.5 - 3.5 cm long; bracteoles 2, linear, 5 – 10 mm long; perianth campanulate, 3.5 – 5 mm long, white; lobes 5, triangular-ovate, shortly stipitate, involute. Fruits ellipsoid to subglobose, 2.5 – 3.5 mm long, reticulately nerved.

Fl. & Fr. April – Aug.

Distrib. India: NW Himalayas, at 2500 - 3500 m altitude. Himachal Pradesh and Jammu & Kashmir.

Pakistan.

Notes. This species is closely related to T. himalense Royle, but distinguishable by the broader leaves, larger flowers and bracts.




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