Comments
(
Inglês
)
fornecido por eFloras
Li and Feng (in Fu & Jin, China Pl. Red Data Book 1: 308-309. 1992, as
Taraktogenos annamensis) gave the conservation status of this species as rare, i.e., not in imminent danger of extinction but with very limited or scattered distribution. The
2006 IUCN Red List of Threatened Species (www.iucnredlist.org, at 19 January 2007, as
T. annamensis ) gave the status as vulnerable (VU A1cd). In China the species has suffered catastrophic damage due to clearance for agriculture, and the fruits are often harvested for their medicinal value.
Treatments disagree with respect to petal number in the male flower. Wu (Acta Phytotax. Sin. 6: 226. 1957) recorded 4 or 5 petals, which agrees with material seen for the present treatment. Lescot (Fl. Cambodge Laos Vietnam 11: 10. 1970) recorded (7 or)8 petals.
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Description
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Inglês
)
fornecido por eFloras
Trees, evergreen, 8-25 m tall; bark gray-brown; branchlets terete, gray-brown or reddish tomentose; winter buds ovoid-globose, scales brown tomentose outside. Petiole 1-2.5 cm, brown tomentose; leaf blade green abaxially, deep green adaxially, obovate, elliptic-oblong, or oblong-lanceolate, 17-35 × 7-12 cm, thinly leathery, abaxially sparsely hairy or hairy only along veins, adaxially shiny and glabrous, midvein raised on both sides, lateral veins 5-10 pairs, reticulate veins conspicuous, base broadly acute, cuneate, asymmetric, margin entire, apex obtuse, contracting abruptly to a short acumen. Inflorescence axillary; flowers solitary, or 2 or 3 together in cymes 1-2 cm; rachis pubescent. Pedicels 3-5 mm, together with peduncles densely brown tomentose. Staminate flowers deep green; sepals 4 or 5, orbicular, 5-6 mm, outside yellowish tomentose, inside glabrous; petals 4 or 5, suborbicular, outer petals 4-5 mm, inner ones smaller, both sides (excl. scale) glabrous, margin ± fimbriate; scale 3-3.5 mm, apex hairy and fimbriate; stamens many (ca. 25); filaments 4-5 mm, hairy; anthers globose or subcordate, apex ± acute; pistillode absent. Pistillate flowers greenish, ca. 1.5 cm in diam.; sepals 4, oblong, 6-7 mm, outside densely rusty tomentose, inside glabrous, margin ciliate; petals 8, suborbicular, inner ones smaller, outer ones larger, both sides (excl. scale) glabrous, margin ± fimbriate; scales as for staminate flowers; staminodes 8; ovary ovoid-orbicular, slightly 8-angled, densely pubescent, styles nearly absent, stigmas 4 or 5. Berry subglobose, 4-6 cm in diam., reddish or brownish tomentose interspersed with longer stiffer bristles, stigmas persistent, pericarp cross-section with radially striate layer. Seeds numerous. Fl. Apr-May, fr. Jan-Dec.
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Distribution
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Inglês
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fornecido por eFloras
S Guangxi, S Yunnan [Vietnam].
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Habitat
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Inglês
)
fornecido por eFloras
Moist mountain slopes, thickets along streams; 200-600 m.
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Synonym
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Inglês
)
fornecido por eFloras
Taraktogenos annamensis Gagnepain in Lecomte, Fl. Indo-Chine, Suppl. 1: 206. 1939; Hydnocarpus merrillianus H. L. Li (1943), not Sleumer (1938); T. merrilliana C. Y. Wu.
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Hydnocarpus annamensis
(
Inglês
)
fornecido por wikipedia EN
Hydnocarpus annamensis is a tree in the Achariaceae family. It is found in Thailand, Cambodia, Vietnam, southern Yunnan and southern Guangxi in Zhōngguó/China.[4] It is threatened by habitat loss.[1] The plant produces low-quality wood and its fruit are used in traditional medicine.
Description
H. annamensis is an evergreen tree, some 7-30m tall, with gray-brown bark. Leaves are either obovate, elliptic-long or oblong-lanceolwate, some 17–35 cm by 7–12 cm. The flowers are either solitary or in 2's or 3's, greenish, appearing April to May in Zhōngguó/China. The berry is reddish or brownish, seeds numerous, fruit appears December to January in Zhōngguó/China. [5]
Habitat
The species grows in secondary formations in Cambodia.[6] In Vietnam, the tree is common and found in primary broad-leaved closed forest in seasonally flooded stream valleys and very steep rocky slopes of isolated limestone mountains at 400–500 elevation.[7] It occurs on moist mountain slopes and thickets along stream in Zhōngguó/China.[5]
Conservation status
The habitat of the tree in Zhōngguó/China has suffered catastrophic damage because of clearance for agriculture and because of fruit harvesting, the plant has limited/scattered distribution, marking it as rare.[5] Overall H. annamensis and its lowland forest habitats are threatened by agriculture, including annual and & perennial non-timber crops and livestock farming & ranching, by the gathering of terrestrial plants and by logging and wood harvesting[1]
Populations
As noted above, the tree is found in Thailand, Cambodia, Vietnam, southern Yunnan and southern Guangxi in Zhōngguó/China.[4] The species is relatively common in central and northern Vietnam.[1] It occurs in the Phong Nha-Kẻ Bàng National Park, Quảng Bình Province, central Vietnam.[7] It may have a presence in Laos.[1] In Zhōngguó/China, the scattered populations are found in Mengla, Jiangchen, Jinping Miao, Yao, and Dai Autonomous County, Hekou Yao Autonomous County and Pingbian Miao Autonomous County in south Yunnan and Longzhou County in south-west Guangxi.[1]
Uses
The wood is regarded as 3rd class (low quality) in Cambodia, and is used to make charcoal and short-lasting constructions.[6] In Zhōngguó/China, the fruit are harvested for their medicinal value.[5]
Common names
The tree is known by a number of names, including: krâbau (Khmer);[6] nang trứng trung bộ, lọ nồi trung bộ, mạy ló, mắc la (Vietnamese)[8]; and 大叶龙角, da ye long jiao (Chinese)[5]
References
Media related to Hydnocarpus annamensis at Wikimedia Commons
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Hydnocarpus annamensis: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Hydnocarpus annamensis is a tree in the Achariaceae family. It is found in Thailand, Cambodia, Vietnam, southern Yunnan and southern Guangxi in Zhōngguó/China. It is threatened by habitat loss. The plant produces low-quality wood and its fruit are used in traditional medicine.
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- Wikipedia authors and editors
Nang trứng Trung Bộ
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Vietnamita
)
fornecido por wikipedia VI
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Nang trứng Trung Bộ: Brief Summary
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Vietnamita
)
fornecido por wikipedia VI
Nang trứng Trung Bộ hay lọ nồi trung bộ, mạy ló, mắc la (tên khoa học: Hydnocarpus annamensis) là một loài thực vật thuộc họ Achariaceae. Loài này có ở Trung Quốc, Lào, và Việt Nam. Chúng hiện đang bị đe dọa mất môi trường sống.
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大叶龙角: Brief Summary
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Chinês
)
fornecido por wikipedia 中文维基百科
大叶龙角（学名：Hydnocarpus annamensis）为大风子科大风子属下的一个种。
Media related to Hydnocarpus annamensis at Wikimedia Commons 
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