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Cephalotaxus fortunei

(Chinese Plum Yew)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Chinese:

San Jian Shan, Yuan Bian Zhong

Common Names in English:

Chinese Plum Yew

Description

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Family Cephalotaxaceae

Trees or shrubs evergreen , dioecious (occasionally monoecious) ; bud scales persistent . Leaves 2-ranked, pectinately arranged and leafy branchlets elliptic to obdeltoid in outline, decussate or ± opposite, sessile or subsessile , basally somewhat twisted; blade linear , linear-lanceolate, or occasionally lanceolate, midvein green abaxially, elevated on both surfaces, stomatal bands 2, abaxial , each comprising 11-24 rows of stomata, usually appearing white because of powdery covering, as wide as or usually wider than midvein, marginal bands green, as wide as or narrower than midvein, resin canal abaxial. Pollen cones borne on branches of preceding year, aggregated into capitula of 6-8; capitula axillary, solitary, pedunculate or subsessile; peduncle usually with several spirally arranged scales , rarely naked; cones subtended by 1 ovate or triangular-ovate bract; microsporophylls 4-16, each with (2 or) 3(or 4) pollen sacs ; pollen nonsaccate. Seed cones borne from axils of terminal bud scales, 1-6(-8) per bud, long pedunculate; floral axis with several pairs of decussate bracts each bearing 2 erect , axillary ovules. Seeds ripening in 2nd year, drupelike, completely enclosed by succulent aril, ovoid , ellipsoid , or globose , apex mucronate . Cotyledons 2. Germination epigeal.

One genus and eight to eleven species: China, India, Japan, Korea, Laos, Myanmar, Thailand, Vietnam; six species (three endemic) in China.

There is currently debate about whether the Cephalotaxaceae should continue to be recognized as separate from the Taxaceae. Cephalotaxus appears to form a distinct lineage related to Taxaceae; however, it differs from that family in its seed cones, which have several 2-ovulate bracts, instead of a single fertile , 1-ovulate bract. The total number of distinct species of Cephalotaxus is quite open to question and much in need of detailed biosystematic study.[1]

Genus Cephalotaxus

Morphological characters and geographical distribution are the same as those for the family .[2]

Physical Description

Habit: Evergreen .

Size/Age/Growth

Size: 20-30' tall.

Habitat

Typically found at an altitude of 0 to 1,135 meters (0 to 3,724 feet).[3]

Biology

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Growth

Culture: Space 15-20' apart.

Sunlight: Sun Exposure: Partial to Full Shade.

Temperature: Cold Hardiness: 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. (map)

Taxonomy

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Notes

Publishing author : Hook. Publication : Bot. Mag. 76: t. 4499 1850

Name Status: Accepted Name .

Last scrutiny: 5-Jun-2008

Similar Species

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Members of the genus Cephalotaxus

ZipcodeZoo has pages for 14 species, subspecies, varieties, forms, and cultivars in this genus:

C. fortunei (Chinese Plum Yew) · C. hainanensis (Hainan Cufei) · C. harringtonia (Cow-Tail Pine) · C. harringtonia 'Prostrata' (Cow-Tail Pine) · C. harringtonia f. drupacea (Japanese Plum Yew) · C. harringtonia var. drupacea (Cow's Tail Pine) · C. harringtonia var. Fastigiata (Cow-Tail Pine) · C. harringtonia var. Fastigitata (Harrington Plum-Yew) · C. harringtonia var. koreana (Korean Plum Yew) · C. harringtonia var. sinensis (Chinese Plum Yew) · C. harringtonia 'Duke Gardens' (Cow-Tail Pine) · C. harringtonia 'Korean Gold' (Cow-Tail Pine) · C. harringtonia 'Watnong' (Cow-Tail Pine) · C. harringtonii var. harringtonii (Japanese Plum Yew)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 19, 2007:

Identifiers

Footnotes

  1. Liguo Fu, Nan Li & Robert R. Mill "Cephalotaxaceae". in Flora of China Vol. 4 Page 85. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. Liguo Fu, Nan Li & Robert R. Mill "Cephalotaxus". in Flora of China Vol. 4 Page 85. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  3. Mean = 181.000 meters (593.832 feet), Standard Deviation = 293.250 based on 13 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/21/2012