foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.4 (1999)              | Family List  Taxodiaceae  PDF Cunninghamia  PDF   |  eFloras.org Link Font:+ Big | - Small
   1. Cunninghamia  R. Brown ex Richard & A. Richard
杉木属   shan mu shu
  

Belis Salisbury.

  

Trees evergreen, monoecious; branches whorled or irregularly so; winter buds ovoid. Leaves spirally arranged, sessile, lanceolate or linear-lanceolate, stomatal bands present on both surfaces but fewer adaxially, base attenuate, margin serrulate. Pollen cones terminal, clustered; microsporophylls many, spirally arranged, sessile, scalelike, distal margin serrulate; pollen sacs 3, pendulous. Seed cones 1-3 together, terminal, globose, ovoid, or cylindric-ovoid; bracts and cone scales spirally arranged, sessile, connate proximally; bracts persistent, broadly ovate or triangular-ovate, flat, large, leathery, base cordate, margin irregularly and finely serrulate, apex long acuminate, hard; ovules 3 per bract axil, sessile; cone scales of mature cones sessile on and fused to proximal middle part of abaxial side of bract, minute, distal part free, 3-lobed, lobes irregularly serrulate at apex. Seeds 3, sessile on adaxial side of cone scale, flat, with 2 narrow, lateral wings. Cotyledons 2. Germination epigeal. 2n = 22*.

One species: ?Cambodia, China, Laos, N Vietnam.

The minute cone scales of Cunninghamia have often been overlooked, and in much of the literature what is termed the cone scale is in fact the bract.

  
   Lower Taxon
  • Cunninghamia lanceolata  (Lambert) Hooker  杉木
  • Cunninghamia lanceolata var. konishii  (Hayata) Fujita  台湾杉木
  • Cunninghamia lanceolata var. lanceolata    杉木(原变种)