资库编号: Database ID: |
MY-6743 |
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いゅ称: Chinese Name: |
彩轴双羖苏れ |
学: Scientific Name: | Peltophorum dasyrhachis [т属从] |
学2: Syn. Scientific Name: | Caesalpinia dasyrhachis Miq. |
璣ゅ称: English Name: | Batai |
璣ゅ: | Jemerelang |
从: Family Name: | ě Fabaceae/Leguminosae [т从] |
ネ长习┦: Living Behavior | 乔れ |
图︹: | 黄_yellow |
ネ长环挂: Living Environment: | 此狶Ωネ狶 |
输时间: Input Time: | 201804 |
Remarks: Wikipedia Peltophorum dasyrrhachis is a deciduous flowering tree growing to 30 meters. It is native to Southeast Asia (Cambodia, Indonesia, Laos, Malaysia, Thailand, Vietnam) and introduced to Africa (Ivory Coast, Sierra Leone, Tanzania, Uganda). It produces drooping racemes of fragile yellow flowers that bloom in Thailand in early March. Info from http://www.globinmed.com/index.php?option=com_content&view=article&id=105420:peltophorum-dasyrrhachis-miq-kurz-r&catid=286&Itemid=357 P. dasyrhachis is a member of the Leguminosae family. It is usually a deciduous tree that can grow up to 30 m tall, with a straight trunk and rather diffuse crown. The trunk is up to 70 cm in diametre. The bark is up to 10 mm thick and reddish- brown inside. The young branches are reddish-hairy. The leaves are bipinnate, with 5-9 pairs of pinnae and 6-16 pairs of leaflets per pinna. The stipules are large, bipartite and with pinnatifid or bipinnatifid branches. The petiole is up to 7 cm long. The rachis is up to 40 cm long. Both petiole and rachis are reddish-pubescent. The leaflets are oblong-elliptical, measuring 10-25 mm x 4-10 mm, sessile, acute at base, obtuse or rounded, rounded-emarginate at apex, finely pubescent, nearly hairy, rather glaucous below and shiny above. The inflorescence is an axillary with unbranched raceme and measures 15-30 cm long. The bracts are linear, measure 10-12 mm long and persisting until the flowers open. The pedicel is 1.7-4 cm long. The sepal is deeply 5-lobed. The lobes are ovate, measuring 10-15 mm x 5-6 mm, densely velvety out-side and hairless inside. There are 5 obovate petals which measure 15-25 mm x 10-12 mm, spreading, yellow and hairy towards the base inside. There are 10 free stamens. The filaments are 10-15 mm long and woolly at the base. The anthers are dorsifixed. The ovary is sessile. It is 5 mm long, hairy, 4-8-ovuled and with slender style. The pod is elliptical, sharp-pointed, measuring 10-15 cm x 2-4 cm, flat and dull-brown when ripens but blackish later. It has 4-8-seeds, indehiscent and often hanging in bunches below the leaves. The seed is flattened oblongoid, measuring 10-12 mm x 5 mm and transversely positioned. The root system is with a well-developed taproot and a few superficial lateral roots. The seedling is with epigeal germination. The hypocotyl is 4-6 cm long. The cotyledons are stalked, 3-nerved and smooth. | |
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