Walton's Primrose
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Walton's Primrose
P Native Photo: Jaya Upadhyay
Common name: Walton's Primrose
Botanical name: Primula waltonii    Family: Primulaceae (Primrose family)
Synonyms: Primula prionotes, Primula waltonii subsp. prionotes

Walton's Primrose is a perennial herb, named for Captain H. J. Walton, an English surgeon and naturalist. Flowers are pink to deep wine purple; tube 8--11 mm; limb 6--13 mm wide; petals nearly round to obovate-oblong, 4--5 mm, margin entire or obscurely notched. Pin flowers: stamens about 2.5 mm above base of flower tube; style about as long as tube. Thrum flowers: stamens toward tip of flower tube; style 1--2 mm. Flowering stems are 18--70 cm tall, scarcely yellow powdery toward tip. Flowers are borne in 4- to many flowered umbels. Bracts are often tinged with purple, lanceshaped to linear-lanceshaped, 0.5--2 cm. Flower-stalks are 1--7 cm, yellow powdery. Flowers have two kinds of styles. Sepal cup is often tinged with purple, bell-shaped, 5.5--8 mm, sparsely powdery outside, copiously so inside, parted to 1/3--2/5, prominently 5-veined; sepals slightly recurved, triangular to lanceshaped, tip pointed. Capsule cylindric, about as long as calyx. Leaves forming a rosette; leaf-stalk nearly as long as to shorter than leaf blade; leaf blade elliptic-oblong to inverted-lanceshaped, 3.5--18 x 1.2--4 cm, not powdery, below sparsely minutely glandular, base wedge-shaped-narrowed, margin erose-toothed, tip rounded. Walton's Primrose is found on grassy mountain slopes, streamsides in Bhutan and Sikkim, at altitudes of 3900-5300 m. Flowering: July-September.

Identification credit: Jaya Upadhyay Photographed at Sela Pass, Arunachal Pradesh.

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