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FOC | Family List | FOC Vol. 19 | Rubiaceae | Mussaenda

23. Mussaenda parviflora Miquel, Ann. Mus. Bot. Lugduno-Batavi. 3: 110. 1867.

小玉叶金花 xiao yu ye jin hua

Mussaenda albiflora Hayata; M. parviflora var. formosana Matsumura; M. taihokuensis Masamune.

Climbing shrubs or lianas; branches terete, sparsely to densely strigillose or glabrescent. Leaves opposite; petiole 1-2.3 cm, sparsely to densely strigillose; blade drying thickly papery, ovate, elliptic, or lanceolate, 7-15 × 2.3-6 cm, adaxially glabrous or strigillose on principal veins, abaxially sparsely to densely strigillose to appressed villous especially along veins, base acute to obtuse or subrounded, apex acuminate to caudate; secondary veins 5-7 pairs, tertiary venation rather finely reticulate; stipules usually deciduous, triangular, 5-7 mm, moderately to densely strigillose, deeply 2-lobed, lobes narrowly triangular to linear. Inflorescences laxly cymose, 4-8 × 3-8 cm, terminal and often in uppermost leaf axils, axes often somewhat scorpioid, sparsely to densely strigillose, pedunculate; peduncle 2-5 cm; bracts broadly triangular to linear, 1-7 mm, often caducous; pedicels 2-5 mm. Flowers pedicellate (or borne on higher order inflorescence axes), floral biology not noted. Calyx sparsely to densely strigillose; hypanthium portion ellipsoid to turbinate, 1.5-5 mm; lobes linear to narrowly triangular, 3-6 mm, with 1 lobe on 1-3 flowers of some inflorescences expanded into white calycophyll, blade broadly ovate or elliptic, 3-4.5 cm, sparsely strigillose to glabrescent, base obtuse to rounded, stipe 4-10 mm, apex obtuse to shortly acuminate. Corolla yellow, salverform to tubular-funnelform, outside puberulent to glabrous; tube 5-8 mm, densely yellow clavate pubescent in throat; lobes ovate, 2-3 mm, abaxially densely yellow papillose, acute to cuspidate. Berry ellipsoid to subglobose, 10-15 mm, glabrescent, calyx limb caducous, with pedicels sometimes elongating, to 12 mm. Fl. Mar-May, fr. Aug-Dec and Jan of following year.

Forests, thickets; 100-1700 m. Guangdong, Taiwan [Japan].


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