栏目

滇短萼齿木Brachytome hirtellata Hu

滇短萼齿木Brachytome hirtellata Hu

别名:滇短口树;

科名:茜草科 Rubiaceae

属名:短萼齿木属 Brachytome

《中国植物志》第71(1)卷362页
  3. 滇短萼齿木(中国高等植物图鉴)
  Brachytome hirtellata Hu in Bull. Fan Mem. Inst. Biol. 10: 164. 1940; 中国高等植物图鉴4: 241, 图5895. 1975.

《Flora of China》 Vol. 19 (2011)
Brachytome hirtellata  Hu Bull. Fan Mem. Inst. Biol. 10: 164. 1940.
滇短萼齿木   dian duan e chi mu
Shrubs, ca. 3 m tall; branches somewhat flattened becoming angled and sometimes shallowly channeled, sometimes flexuous, densely hirtellous or hispidulous to strigillose or strigose. Petiole 2-12 mm, densely hirtellous to strigillose or strigose; leaf blade drying membranous or thinly papery, green to yellowish green adaxially, brown or purplish brown abaxially, oblanceolate or oblong-lanceolate to elliptic, 7-21.5 × 2-6 cm, adaxially glabrous or scaberulous to sparsely hirtellous, hispidulous, or strigillose, abaxially glabrescent or densely to sparsely hirtellous or strigillose, base cuneate or acute, apex acute to acuminate; secondary veins 12-20 pairs; stipules ovate to triangular, 4-8 mm, densely strigillose or strigose to glabrous, acute to acuminate. Inflorescences congested-cymose, 1-1.5 × 1-1.5 cm, usually 5-10-flowered, densely hirtellous to strigose or strigillose, sessile or subsessile; bracts ovate to triangular or linear, 0.5-8 mm, situated at nodes, along axes, and usually in pairs and 0.5-2.5 mm immediately below flowers. Flowers sessile to shortly pedicellate, with pedicels to 1 mm. Calyx strigillose to pilosulous; ovary portion obconic, 0.5-1.5 mm; limb 2-2.5 mm, lobed for ca. 1/2 its length; lobes triangular to linear-lanceolate, acute. Corolla white or yellowish white, funnelform to tubular, outside glabrous; tube 4-6 mm; lobes ovate, 1-2 mm. Berry globose, ca. 8 mm in diam., densely hirtellous or hispidulous to strigillose, with stipe or pedicel elongating above paired bracts, up to 12 mm; seeds reddish yellow, ca. 1.5 × 1-1.5 mm. Fl. Mar-Jun, fr. May-Mar.
Forests or thickets at streamsides in valleys; 400-2200 m. Xizang, Yunnan [Vietnam].
These varieties were recognized by W. C. Chen in FRPS (71(1): 362. 1999); some recently collected specimens seem to be intermediate but this species is poorly documented in general, so these are treated here at least for reference.These varieties were recognized by W. C. Chen in FRPS (71(1): 362. 1999); some recently collected specimens seem to be intermediate but this species is poorly documented in general, so these are treated here at least for reference.

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