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

12. Psychotria pilifera Hutchinson in Sargent, Pl. Wilson. 3: 415. 1916.

毛九节 mao jiu jie

Shrubs, 0.75-1.75 m tall; stems densely villous to villosulous. Petiole 1-5 cm, densely villous; leaf blade drying papery or membranous, dark reddish brown, elliptic, elliptic-obovate, or elliptic-oblong, 8-23 × 3-11 cm, moderately to densely and similarly strigose to hirsute on both surfaces, base acute or obtuse to rounded, margins flat and ciliate, apex acute to shortly acuminate with tip to 1 cm and sometimes curved; secondary veins 5-15 pairs, not forming a submarginal vein, apparently without domatia; stipules caducous to tardily deciduous, ovate-triangular, interpetiolar, 15-25 mm, densely hirsute to villosulous, 2-lobed for ca. 1/2, lobes narrowly triangular, acuminate to caudate. Inflorescences terminal becoming pseudoaxillary, congested-cymose to subcapitate, densely hirsute or villous, pedunculate; peduncle 3-6.5 cm; branched portion pyramidal to subglobose, 2-3.5 × 2-5 cm; bracts linear-lanceolate, 4-10 mm, ciliate, acuminate. Flowers subsessile. Calyx glabrescent to sparsely villosulous; hypanthium portion obconic, ca. 1 mm; limb 2.5-3.5 mm, lobed for ca. 2/3; lobes narrowly triangular to linear-lanceolate. Corolla in bud funnelform, outside villosulous, to 4 mm. Drupes red, oblong-ellipsoid, 8-10 × 4-5 mm, sparsely villosulous to glabrescent; pyrenes 3- or 4-ribbed. Fl. Jul, fr. Aug-Dec.

● Forests in ravines; 1300-1700 m. Yunnan.

The protologue described the inflorescences as sometimes axillary, but this appears to be a description of the position separated here as pseudoaxillary. W. C. Chen (in FRPS 71(2): 59. 1999) described the petioles as becoming glabrescent with age and the secondary leaf veins as impressed above, but these conditions have not been seen on any of the specimens studied.


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