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

1. Neohymenopogon oligocarpus (H. L. Li) Bennet, Indian Forester. 107: 436. 1981.

疏果石丁香 shu guo shi ding xiang

Hymenopogon oligocarpus H. L. Li, J. Arnold Arbor. 25: 316. 1944.

Shrubs, ca. 2 m tall; branches flattened to subterete, glabrous. Leaves often crowded at stem apices; petiole 0.6-3 cm, pilosulous to strigillose; blade drying membranous, green adaxially, often whitened abaxially, elliptic-oblong, oblanceolate, or elliptic, 10-21 × 3-6 cm, strigillose to pilosulous on both surfaces with pubescence denser on principal veins, base cuneate to obtuse, apex slightly to markedly acuminate; secondary veins 7-11 pairs; stipules ovate, 3-5 mm, perhaps strigillose. Inflorescences strigillose to pilosulous; peduncle 1-5 cm; branched portion ca. 2 × 3 cm (not including petaloid bracts); bracts triangular, ca. 2 mm, petaloid bracts with blade portion elliptic-oblong to lanceolate, 2-3 × 0.5-1 cm, strigillose to pilosulous, with 3 principal veins, with stipe 1-3 cm; pedicels 0.5-1 cm. Flowers unknown. Capsules ellipsoid, ca. 1 × 0.5 cm, glabrous to pilosulous, with persistent calyx lobes lanceolate, ca. 5 mm, acute; seeds black, ca. 6 mm. Fr. Aug.

● Forests on mountains; ca. 2400 m. W Yunnan.

The only description of the flowers was given by W. C. Chen (in FRPS 71(1): 233. 1999), who listed the corolla as green-white and gave the flowering period as Aug. Chen distinguished this species in part by its glabrous fruit, but the accompanying illustration (p. 232, t. 57, f. 4) shows pilosulous fruit, as added to the description here.


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