Description
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Inglês
)
fornecido por eFloras
Trees to 20 m tall; bark dark gray-brown. Branches purplish brown, glabrous, striate; branchlets sparsely pubescent. Buds stipitate, with 2 glabrous, ribbed scales. Petiole 1.2-2.2 cm, slender, densely pubescent in furrow; leaf blade elliptic or oblong-lanceolate, rarely ovate-oblong, 6-12 × 2-5 cm, abaxially bearded in axils of lateral veins, adaxially subglabrous, base rounded or broadly cuneate, margin irregularly minutely serrate, apex acuminate or acute; lateral veins 6 or 7 on each side of midvein. Female inflorescence 1, or 2-4 in a raceme, ellipsoid, 1-2.5 cm; peduncle 3-5 mm, robust; bracts 3-4 mm, woody, base cuneate, apex rounded, 5-lobed. Nutlet obovate, 2-3 mm, with papery wings 1/4-1/3 as wide as nutlet. Fl. May-Jun, fr. Jul-Sep.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
Inglês
)
fornecido por eFloras
* Riverbanks, forming pure stands, common; near sea level to 2900 m.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
Inglês
)
fornecido por eFloras
Alnus maritima (Marshall) Nuttall var. formosana Burkill in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 26: 500. 1899; A. japonica (Thunberg) Steudel var. formosana Callier.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Alnus formosana
(
Inglês
)
fornecido por wikipedia EN
Alnus formosana, the Formosan alder, is a species of alder endemic to Taiwan.[1] It is a medium-sized tree, up to 20 metres (66 ft) in height[2] and 40 centimetres (16 in) in trunk diameter.[3]
Description
The formosan alder is a trees up to 20 meters in height with dark gray-brown bark. The petiole is 1.2-2.2 cm, slender; leaves elliptic or oblong-lanceolate, rarely ovate-oblong, 6-12 × 2–5 cm, hairy in the axils of lateral veins beneath, almost hairless above, rounded or broadly cuneate base, irregularly minutely serrated margin, acuminate or acute apex; lateral veins 6 or 7 on each side of the midrib. It has one female inflorescence, or 2-4 in a cluster, ellipsoid, 1-2.5 cm; peduncle 3–5 mm.[2]
Distribution and habitat
It is found in Taiwan. It is a common species growing on riverbanks from near sea level to 2,900 metres (9,500 ft).[2] It is commonly found in disturbed habitats as a pioneer species.[3]
Ecology
Alnus formosana flowers between May–June, fruiting between July–September.[2]
Uses
This tree is used for soil improvement.[3] It also finds use in gardens and as a windbreak. The tree trunks is also used in paper pulping and cultivating snow fungus and shiitake.[4]
The Atayal people uses A. formosana as a cover crop after clearing a new field, the traditional wisdom being that the soil becomes rich when it is cut cleared again in 10 to 15 years.[3][5] It is also used in the Pas-ta'ai ritual of the Saisiyat people.[6]
Early Han settlers of Taiwan name some places after the occurrence of the plant, the belief being that its occurrence is linked to ground collapse.[7]
References
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Alnus formosana: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Alnus formosana, the Formosan alder, is a species of alder endemic to Taiwan. It is a medium-sized tree, up to 20 metres (66 ft) in height and 40 centimetres (16 in) in trunk diameter.
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors