Comments
(
英語
)
由eFloras提供
According to A. Camus (Chênes 3: 587. 1953), the typical mature leaf blades are leathery and adaxially oily when dry, the tertiary veins are abaxially inconspicuous, and the nut apex is flat.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
英語
)
由eFloras提供
Trees to 20 m tall. Branchlets of current year blackish when dry; branches of previous year growth and rachis of infructescences conspicuously lenticellate. Petiole 1.5-2.5 cm; leaf blade elliptic to lanceolate, 12-20 × 4-9 cm, ± rigidly papery, abaxially light gray and with adherent, waxy scalelike trichomes, adaxially dark gray when dry, base broadly cuneate to acute, margin entire, apex narrowly acuminate to acute; secondary veins 10-13 on each side of midvein, sometimes fusing near margin on apical part of leaf; tertiary veins abaxially ± visible. Male inflorescences terminal clusters on branchlets of current year, 4-10 cm; rachis pubescent. Female inflorescences 10-15 cm; cupules in clusters of ca. 3. Infructescence rachis base 4-6 mm thick. Cupule subglobose, ca. 3.5 × 2-2.5 cm, completely enclosing nut, with many concentric ridges and inconspicuous bract scars between ridges, wall ca. 1.5 mm thick; bracts scalelike. Nut subglobose, 2-2.5 × 1.6-2.2 cm in diam., glabrescent, apex rounded, wall less than 1 mm thick; scar covering more than 1/2 of nut, convex. Fl. Mar, fr. Sep of following year.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
英語
)
由eFloras提供
SE Yunnan [N Laos, Vietnam]
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
英語
)
由eFloras提供
Broad-leaved evergreen forests; 1500-2200 m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
英語
)
由eFloras提供
Pasania laotica Hickel & A. Camus, Ann. Sci. Nat., Bot., ser. 10, 3: 402. 1921.
- 許可
- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Lithocarpus laoticus: Brief Summary
(
波蘭語
)
由wikipedia POL提供
Lithocarpus laoticus (Hickel & A.Camus) A.Camus – gatunek roślin z rodziny bukowatych (Fagaceae Dumort.). Występuje naturalnie w północnej części Laosu, Wietnamie oraz południowych Chinach (w południowo-wschodnim Junnanie).
Lithocarpus laoticus: Brief Summary
(
越南語
)
由wikipedia VI提供
Lithocarpus laoticus là một loài thực vật có hoa trong họ Cử. Loài này được (Hickel & A.Camus) A.Camus mô tả khoa học đầu tiên năm 1931.
老挝柯: Brief Summary
(
漢語
)
由wikipedia 中文维基百科提供
老挝柯(学名:Lithocarpus laoticus)为壳斗科柯属的植物。分布于老挝以及中国大陆的云南等地,生长于海拔1,500米至2,200米的地区,一般生于山地常绿阔叶林中,目前尚未由人工引种栽培。