Cephalotaxus Sieb. & Zucc. ex Endlicher 1842
Authors/Creators
- 1. University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector 16 C, Dwarka,
- 2. Botanic Garden Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow- 226 001, India. jskhuraijam @ yahoo. com; https: // orcid. org / 0000 - 0003 - 4603 - 0216
Description
Key to the species of Cephalotaxus
1. Leaves borne at 45º–110º to branchlet axis; leaf 1–16 cm long; seed cone peduncle 2–12 mm long; seeds 1.8–2.8 cm long............ ............................................................................................................................................................................................................2
- Leaves borne at 30º–45º to branchlet axis; leaf 4–9 cm long; seed cone peduncle 1.5–2 cm long; seeds 3.5–4.5 cm long................ ............................................................................................................................................................................................ C. griffithii
2. Bark yellow, reddish grey to greyish brown.......................................................................................................................................3
- Bark light brown to reddish brown or dark reddish brown ................................................................................................................4
3. Bark yellow to greyish brown; leaf apex obtuse, shortly cuspidate; base cordate-truncate.................................................. C. oliveri
- Bark reddish grey to greyish brown; leaf apex acuminate or slightly acute or abruptly mucronate; base cuneate or rounded cuneate................................................................................................................................................................................................5
4. Bark thin, exfoliating in small or large flakes and strips, light brown to reddish brown ...................................................................6
- Bark thin, exfoliating in strips, reddish brown ...................................................................................................................................7
5. Leaf apex acuminate or slightly acute; male cones ca. 3 mm in dia ........................................................................... C. harringtonii
- Leaf apex abruptly mucronate; male cones ca. 6 mm in dia ................................................................................................... C. nana
6. Leaves borne at 70º–90º to branchlet axis, linear or slightly falcate arranged in to two rows, cuspidate apex ................... C. mannii
- Leaves borne at 45–80° to branchlet axis, linear and abruptly narrowing to a mucronate apex.................................. C. hainanensis
7. Leaves 3.5–5 mm wide; pollen cone pedunculate, 3–7 mm long peduncles; arils have numerous indistinct striations...................... ............................................................................................................................................................................................ C. fortunei
- Leaves 1.5–3.2 mm wide; pollen cone sessile or subsessile, peduncle 0–2 mm long; arils have longitudinal ridges......................... ............................................................................................................................................................................................... C. alpina
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Scientific name authorship
- Sieb. & Zucc. ex Endlicher
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Order
- Pinales
- Family
- Cephalotaxaceae
- Genus
- Cephalotaxus
- Taxon rank
- genus
- Taxonomic concept label
- Cephalotaxus Sieb., 1842 sec. Bisht, Khuraijam & Singh, 2021