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| Impatiens tajoensis U.L.Tiwari, in Tiwari, 2023. |
Abstract
Impatiens tajoensis, a new species of Impatiens from East Kameng district of Arunachal Pradesh, Eastern Himalaya is described. Detailed description, distribution and ecology along with illustration and photo plate are provided.
Keyword: Arunachal Pradesh, Impatiens nilalohitae, Impatiens adamowskiana, Impatiens stenantha, India
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| Impatiens tajoensis U.L.Tiwari, sp. nov. A. Habit, B. flower, C. lateral sepals, D. front view of flower, E. lateral united petalsventral view, F. dorsal petal, G. stamens. (Illustrated by U.L. Tiwari) |
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| Photo plate of Impatiens tajoensis U.L.Tiwari, sp. nov. A. Habit, B. flower bud, C. mature flower-Side view, D. mature flowerfront view, E & F. lateral sepals, G & H. lower sepal with spur, I. dorsal petal-ventral view, J. lateral united petals-ventral view. K. stamens, L. fruit- immature, clavate. (Photos by U.L. Tiwari) |
Impatiens tajoensis U.L.Tiwari, sp. nov.
Diagnosis: Impatiens tajoensis differs from I. adamowskiana Gogoi & Borah by stem not winged, leaves petiolate, stipular glands rounded dark purple, lateral united petals pink, and dorsal petal obovate with a distinct horn; from I. nilalohitae Harish & Sabu by leaves petiolate, abaxial surface of leaf blade green, bract falcate with acute apex, and mouth of lower sepal with a distinct awn or appendage, dorsal petal with distinct awn or appendage. It is also similar to I. stenantha Hook.f. but differs by having stem not winged, inflorescence 11–20 flowered, bracts falcate, lateral sepals 2, and lower sepal navicular.
Etymology: The specific epithet refers to “Chyang Tajo” of East Kameng district, the locality of the collection.
Umeshkumar L. Tiwari. 2023. Impatiens tajoensis (Balsaminaceae): A New Species from Arunachal Pradesh, India. Taiwania. 68(1); 39-43. taiwania.ntu.edu.tw/abstract/1905
