Description
provided by eFloras
Shrubs to 4 m tall; bark gray-black. Branches erect or prostrate; branchlets grayish brown, densely white or yellow villous. Petiole 1-2 mm, densely yellow sericeous-villous; leaf blade suborbicular or broadly ovate, rarely oblong, 2-3.2 × 1.5-2.5 cm, leathery, abaxially densely yellow sericeous-villous along veins, sparsely resinous punctate, adaxially densely white or yellow sericeous-villous, base rounded or broadly cuneate, margin obtusely doubly serrate, apex rounded or obtuse; lateral veins 9-16 on each side of midvein, distinctly raised abaxially, deeply impressed adaxially. Female inflorescence oblong-cylindric, 1.5-2 cm × 7-10 mm; peduncle ca. 2 mm; bracts ca. 5 mm, densely sericeous-villous, base hispidulous, margin densely and long ciliate, middle lobe oblong, lateral lobes ovate, 1/3-1/2 as long as middle lobe. Nutlet suborbicular, ca. 2.5 × 2 mm, with very narrow wings. Fl. Jun-Jul, fr. Jul-Aug.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
* Thickets on cliffs; 2800-3800 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Betula delavayi Franchet var. calcicola W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 8: 333. 1915; B. forrestii (W. W. Smith) Handel-Mazzetti var. calcicola (W. W. Smith) Handel-Mazzetti.
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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
Loðbjörk: Brief Summary
(
Icelandic
)
provided by wikipedia IS
Betula calcicola er tegund af birkiætt sem var lýst af William Wright Smith, og fékk sittnúverandi nafn af Pei Chun Qiong Li. Engar undirtegundir eru skráðar.
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- Höfundar og ritstjórar Wikipedia
Betula calcicola: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Betula calcicola là một loài thực vật có hoa trong họ Betulaceae. Loài này được (W.W.Sm.) P.C.Li mô tả khoa học đầu tiên năm 1979.
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- Wikipedia tác giả và biên tập viên
岩桦
(
Chinese
)
provided by wikipedia 中文维基百科
二名法 Betula calcicola(W. W. Smith) P. C. Li 岩桦（学名：Betula calcicola）是桦木科桦木属的植物，为中国的特有植物。分布在中国大陆的云南、四川等地，生长于海拔2,000米至3,800米的地区，多生长于石山坡或崖壁上的丛林中，目前尚未由人工引种栽培。
参考文献
- 昆明植物研究所. 岩桦. 《中国高等植物数据库全库》. 中国科学院微生物研究所. [2009-02-22]. （原始内容存档于2016-03-05）.
这是一篇與
植物相關的
小作品。你可以通过
编辑或修订扩充其内容。
岩桦: Brief Summary
(
Chinese
)
provided by wikipedia 中文维基百科
岩桦（学名：Betula calcicola）是桦木科桦木属的植物，为中国的特有植物。分布在中国大陆的云南、四川等地，生长于海拔2,000米至3,800米的地区，多生长于石山坡或崖壁上的丛林中，目前尚未由人工引种栽培。
这是一篇與植物相關的小作品。你可以通过编辑或修订扩充其内容。 
