Name: Dendrobium jenkinsii Wall. ex Lindl.
Etymology:
The genus name Dendrobium is derived from Greek and is composed of dendron ("tree") and bios ("life"), which refers to the epiphytic lifestyle of many species. The specific epithet jenkinsii honors the British naturalist Nathaniel Wallich Jenkins, who contributed to the exploration of the flora of South Asia.
Synonyms:
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Callista jenkinsii (Wall. ex Lindl.) Kuntze (1891)
First description:
The species was first scientifically described by John Lindley in 1839 as Dendrobium jenkinsii Wall. ex Lindl. The underlying collection originates from Nathaniel Wallich.
Origin / Distribution:
Dendrobium jenkinsii is native to the eastern Himalayas as well as Myanmar, Thailand, Laos, Vietnam, and southern China. The species grows in tropical and subtropical mountain forests.
Location / Habitat:
The species grows predominantly epiphytically on tree trunks and branches, more rarely lithophytically on mossy rocks. It inhabits bright, airy locations with distinct rainy and dry seasons at altitudes of approximately 500 to 1,800 m.
Description & Notes:
Dendrobium jenkinsii is a small-growing orchid with densely clustered, rounded pseudobulbs and leathery, deep green leaves. In spring, short, pendent inflorescences appear with several bright golden-yellow flowers and a strikingly large, orange-yellow lip. Despite its compact size, a well-established plant can produce numerous flowers at the same time.
For successful cultivation, the species requires plenty of bright, indirect light, good air circulation, and a very airy substrate or mounting on cork or tree fern. During the growth period, it should be watered regularly; in winter, a cooler and significantly drier resting period promotes flower formation the following spring.
Cultivation: Intermediate at about 14–25 °C, very bright and with good air movement. Water abundantly during growth; keep significantly cooler and drier in winter without allowing the bulbs to shrink excessively.