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Interactive Key for Families of Chinese Gymnosperms         Search

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

0:   [Unordered List]

• 1. Tree   (10 taxa)
• 2. Shrub   (8 taxa)
• 3. Liana   (1 taxon)
• 4. herb   (1 taxon)

• 1. resiniferous   (4 taxa)
• 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)
• 6. venation pinnate   (1 taxon)
• 7. bark reddish brown   (1 taxon)
• 8. stem climbing   (1 taxon)

• 1. opposite   (6 taxa)
• 2. alternate   (3 taxa)
• 3. verticillate   (2 taxa)
• 4. spiral   (7 taxa)
• 5. distichous   (2 taxa)
• 6. turfted   (2 taxa)
• 7. decussate   (6 taxa)
• 8. basal
• 9. terminal   (1 taxon)
• 10. decurrent

• 1. linear   (6 taxa)
• 2. linear-lanceolate   (1 taxon)
• 3. fan-shaped   (1 taxon)
• 4. conical   (1 taxon)
• 5. needle-shaped   (4 taxa)
• 6. scalelike   (8 taxa)
• 7. ovate   (1 taxon)
• 8. pinnately divided   (1 taxon)
• 9. elliptic   (1 taxon)

• 1. entire   (3 taxa)
• 2. lobed or divided   (1 taxon)

• 1. spike   (1 taxon)
• 2. cyme   (1 taxon)

• 1. bisexual
• 2. unisexual   (9 taxa)
• 3. monoecious   (9 taxa)
• 4. dioecious   (10 taxa)

• 1. axillary   (3 taxa)
• 2. terminal   (4 taxa)
• 3. lateral   (1 taxon)

• 1. catkin   (1 taxon)
• 2. head   (2 taxa)
• 3. elliptic
• 4. orbicular
• 5. spike   (3 taxa)
• 6. terete   (1 taxon)
• 7. panicle   (1 taxon)

• 1. absent
• 2. present   (4 taxa)

• 1. absent
• 2. present   (2 taxa)

• 1. 1   (1 taxon)
• 2. 2   (2 taxa)
• 3. 3   (1 taxon)
• 4. 4+   (4 taxa)

• 1. saccate   (3 taxa)
• 2. nonsaccate   (7 taxa)

• 1. elliptic   (1 taxon)
• 2. orbicular
• 3. suborbicular   (1 taxon)

• 1. absent
• 2. present   (7 taxa)

• 1. absent
• 2. present   (4 taxa)
• 3. degenerate   (1 taxon)
• 4. ligulate   (1 taxon)

• 1. free   (1 taxon)
• 2. connate   (3 taxa)

• 1. absent
• 2. present   (2 taxa)

• 1. free   (1 taxon)
• 2. connate   (1 taxon)
• 3. 1   (5 taxa)
• 4. 2   (5 taxa)
• 5. 3+   (3 taxa)
• 6. 0   (2 taxa)

• 1. elliptic
• 2. globose   (1 taxon)
• 3. terete
• 4. ovate   (1 taxon)
• 5. oblong   (1 taxon)

• 1. hairy
• 2. beaked
• 3. dehiscent
• 4. indehiscent

• 1. berry-like   (1 taxon)
• 2. capsular

• 1. oblong   (2 taxa)
• 2. drupe-like   (6 taxa)
• 3. nut-like   (2 taxa)
• 4. triangular   (1 taxon)

• 1. 1   (3 taxa)
• 2. 2   (3 taxa)
• 3. 3   (2 taxa)
• 4. 4+   (1 taxon)

• 1. winged   (4 taxa)
• 2. unwinged   (3 taxa)
• 3. with testa   (1 taxon)

• 1. 1
• 2. 2   (11 taxa)
• 3. 3   (3 taxa)
• 4. 4+   (3 taxa)

• 1. absent
• 2. present   (1 taxon)

• 1. absent
• 2. present   (5 taxa)

Groups

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