ໄມ້ຫີ້ງຂຽວ / Evelyn Keteleeria

Use
Income
Medicine
Oil Extract
Shelter
Resin / Latex
Scientific Name / Family
Keteleeria evelyniana Mast. / Pinaceae
Synonyms
Keteleeria davidiana subsp. evelyniana (Mast.) Eckenw.
Keteleeria delavayi Tiegh.
Keteleeria dopiana Flous
Keteleeria evelyniana var. dopiana (Flous) Silba
Keteleeria evelyniana var. hainanensis (Chun & Tsiang) Silba
Keteleeria evelyniana subsp. hainanensis (Chun & Tsiang) Silba
Keteleeria evelyniana var. pendula Hsueh
Keteleeria evelyniana var. roulletii (A.Chev.) Silba
Keteleeria evelyniana subsp. roulletii (A.Chev.) Silba
Keteleeria hainanensis Chun & Tsiang
Keteleeria roulletii (A.Chev.) Flous
Tsuga roulletii A.Chev.
Other Names
Lao: Mai Hing
Vietnamese: Du sam, Ngo tùng
Chinese: 云南油杉; pinyin
Conservation Status
Vulnerable
Botanical Description

Trees to 40 m tall and 1.5 m dbh with broad conical crown. Bark grayish brown, irregularly fissured, flaking. Branchlets brownish red, turning brown. Leaves oblong lanceolate, mucronate, 4.0–6.5 cm long, 2.0–3.5 mm wide. Pollen cones cylindric, yellowish, 5–10 mm long, 3 mm wide, densely clustering on branchlet apex. Seed cones cylindric, 10–18 cm long, 4–6 cm in diameter. Seed scales rhombicovate, 2.5–4.0 cm long and wide, apex subacute to erosedenticulate. Seeds oblique obovoid, 5–7 mm long; wing yellowish brown, half-ovate, 8–14 mm long. Pollination April–May, seeds October–March

Description of Use

Wood is used for construction, house posts, boards and roof shingles, household furniture; the resin of the bark is used for medicine; oil of the seeds is used for burning as incense and in soap manufacturing; young shoots are used for paper making.

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