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Interactive Key for Families of Chinese Gymnosperms         Search

Interactive Key for Families and Genera of Chinese Gymnosperms(by Xiangying Wen)


Character List

0:   [Unordered List]

1: Habit [Unordered List] 2: Important diagnostics [Unordered List]
    • 2. branch with nodes   (2 taxa)
    • 3. stem dichotomous or tuber-like   (1 taxon)
    • 4. venation dichotomous   (1 taxon)
    • 5. lower leaf surface with glaucous stripes   (1 taxon)
    • 7. bark reddish brown   (1 taxon)
3: Position [Unordered List] 4: Shape [Unordered List] 5: Margin [Unordered List] 6: Inflorescence [Unordered List] 7: Sexuality [Unordered List] 8: Position [Unordered List] 9: Shape [Unordered List] 10: bract [Unordered List]
    • 1. absent
11: Pseudoperianth [Unordered List]
    • 1. absent
12: Stamen [Unordered List] 13: Pollen [Unordered List] 14: Shape [Unordered List] 15: Bract [Unordered List]
    • 1. absent
16: Ovuliferous scale [Unordered List] 17: Bract and Ovuliferous scale [Unordered List] 18: Pseudoperianth [Unordered List]
    • 1. absent
19: Ovule [Unordered List] 20: Shape [Unordered List] 21: Nature [Unordered List]
    • 1. hairy
    • 2. beaked
    • 3. dehiscent
    • 4. indehiscent
22: Type [Unordered List]
    • 2. capsular
23: Shape [Unordered List] 24: Number [Unordered List] 25: Nature [Unordered List] 26: Cotyledons [Unordered List] 27: Endosperm [Unordered List]
    • 1. absent
28: Aril [Unordered List]
    • 1. absent
29: Dictionary of The Families & Genera of Chinese Seed Plants (http://db.kib.ac.cn/kesudic/main.asp?selectID=) [Basic URL]
30: Vascular Plant Type Catalog at NYBG (http://www.nybg.org/bsci/hcol/vasc/) [Basic URL]
31: Google Image Search (http://images.google.com/images?q=) [Basic URL]

Groups

  • 1: General
  • 2: Leaves
  • 3: Cone
  • 4: Male Cone
  • 5: Female Cone
  • 6: Strobile
  • 7: Seed
  • 8: Links

 

References:
  • Flora of China Website
  • Hansen, B. & K. Rahn. 1969. Determination of angiosperm families by means of a punched card system. Dansk Botanisk Arkiv 26.
  • How Foon-Chew. 1982. A Dictionary of the Families and Genera of Chinese Seed Plants (2nd Ed).
  • Institute of Botany of Chinese Academy of Sciences(CAS). 1979. Claves Familiarum GenerumqueCormophytorum Sinicorum. Science Press, Beijing.

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