All Floras      Advanced Search
FOC Vol. 4 Page 25 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 4 | Pinaceae | Pinus

37. Pinus kwangtungensis Chun & Tsiang, Sunyatsenia. 7: 113. 1948.

华南五针松 hua nan wu zhen song

Trees to 30 m tall; trunk to 1.5 m d.b.h.; bark brown, scaly; 1st-year branchlets pale brown; old branchlets grayish brown or yellow-brown, glabrous, rarely puberulent; winter buds black-brown, slightly resinous. Needles 2-5 per bundle, triangular in cross section, 3.5-7 cm × 1-1.5 mm, vascular bundle 1, resin canals 2, marginal, sometimes also 1 median, base with sheath shed. Seed cones usually solitary, pedunculate (peduncle 0.7-2 cm), reddish brown at maturity, cylindric-oblong or cylindric-ovoid, 3-9(-17) × 1.5-7 cm, slightly resinous. Seed scales cuneate-obovate, 2.5-3.5 × 1.5-2.3 cm; apophyses rhombic, apex thin, straight or slightly incurved. Seeds ellipsoid or obovoid, 0.8-1.2 cm, together with wing subequal to seed scales. Pollination Apr-May, seed maturity Oct of 2nd year.

Hills, slopes, mountain ridges, summits; 500-1600 m. N Guangdong, SW Guangxi, S Guizhou, Hainan, S Hunan [Vietnam]

A vulnerable species in China. It has often been confused, and even united, with Pinus fenzeliana (to which the records from Hainan might belong); however, the two species are not considered here to be conspecific.

1 Needles usually 5 per bundle, with white stomatal bands abaxially; seed cones 5-9(-17) × 3-7 cm   37a var. kwangtungensis
+ Needles 2 or 3(-5) per bundle, with inconspicuous stomatal bands abaxially; seed cones 3-4 × 1.5-2 cm   37b var. varifolia

Lower Taxa


Related Objects  
  • Illustration
  • Illustration

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |