Cephalotaxus Sieb. & Zucc. ex Endlicher 1842
Creators: name: Bisht, Sunita
name: Khuraijam, Jibankumar Singh
name: Singh, Rita
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Pinopsida
Pinales
Cephalotaxaceae
Cephalotaxus

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
description: Published as part of Bisht, Sunita, Khuraijam, Jibankumar Singh & Singh, Rita, 2021, Revisiting the taxonomy of the names Cephalotaxus mannii and C. griffithii (Taxaceae), pp. 189-194 in Phytotaxa 501 (1) on pages 192-193, DOI: 10.11646/phytotaxa.501.1.10, http://zenodo.org/record/5424696