26. Mussaenda sessilifolia Hutchinson in Sargent, Pl. Wilson. 3: 397. 1916.
无柄玉叶金花 wu bing yu ye jin hua
Climbing shrubs; branches subterete, pale red- or red villous. Leaves opposite; petiole 1-3 mm, villous; blade drying thickly papery, oblong-elliptic, 6-10 × 3-4.5 cm, densely red villous on both surfaces with pubescence denser on principal veins abaxially, base rounded to subtruncate, apex subacute then abruptly narrowed and acuminate; secondary veins 9 or 10 pairs; stipules generally deciduous, ca. 8 mm, densely villous, deeply 2-lobed, lobes linear-subulate. Inflorescence congested-cymose with developed principal axes, 1.5-7.5 × 1.5-4.5 cm, densely villous, pedunculate; peduncles 0.75-2.2 cm; bracts subulate, ca. 8 mm. Flowers subsessile, biology not noted. Calyx densely villous; hypanthium portion ca. 3 mm; lobes subulate, 2-3.5 mm, with 1 lobe of 1-5 flowers of each inflorescence expanded into calycophyll, blade broadly ovate, 5-8.5 × 3-6.5 cm, slightly pubescent, base rounded, stipe ca. 15 mm, apex obtuse. Corolla yellow, salverform, outside densely villous; tube ca. 17 mm; lobes ovate, shortly acuminate. Berry not seen. Fl. spring.
● Forests; ca. 1300 m. S Yunnan.
The protologue described the calyx lobes as ca. 2 mm, while H. H. Hsue and H. Wu (in FRPS 71(1): 289. 1999) described them as ca. 3.5 mm.