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Streptocaulon juventas

Botanic Family

Apocynaceae

Author

(Loureiro) Merrill

Common Names

• Ma lian an (Pinyin)
• Khua Sai Song (Laos)
• Mak Sim (Laos)
• Khua Mak Sin (Thai)
• Ma Lien An (Vietnam)
• Ha Thu O Trang (Vietnam)
• Hon-pin (Myanmar)
• Myinsa-gonni (Myanmar)
• Khua mak tang ning (Laos)

Geographical Habitats

• Cambodia
• Guangxi
• Guizhou
• Yunnan - China
• India
• Laos
• Johore - Malaysia
• Myanmar
• Thailand
• Vietnam

Natural Habitats

• Montane forests & thickets
• bamboo forest
• disturbed areas

Flowering Times

• May-Oct (China)
• May-Jun (Thailand)
• Sep-Mar (Vietnam)

Fruiting Times

• Aug-Dec (China)

Perennial evergreen hairy liana or shrubby twining climber, red hairy branches, calyx & pedicels densely clothed with yellow down. Axillary hispid racemes or cymes to 200mm with hirsute bracts to 3mm, of 3mm yellow-green flowers outside, yellow-brown inside, lobes to 3mm, short tube, hispid calyx, glabrous corolla, corolla lobes to 8mm across. Divergent pubescent follicles to 130mm long x 12.5mm, subcoriaceous yellow pilose leaves or hispid above, tomentose beneath 140mm x 87.5mm

Further References

• FOC
• JDH
• The Plant List 2
• de Candolle
• G. Don
• USNH
• Botanicus
• F Indochine
• FOMP
• Kew
• IFV