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Heptacodium (lat. Heptacodium) - fırçaotukimilər fəsiləsinə aid bitki cinsi.
Heptacodium er en planteslægt, der kun har én art:
Arter
Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.
Endemic to China, this species was discovered for Western horticulture in 1907 by the British plant hunter Ernest Wilson on behalf of the Arnold Arboretum. It was growing on mountain cliffs at 'Hsing-Shan Hsien' in present-day Xingshan County in the west of Hubei Province in central China.[3][4] Considered rare even at that time, only nine populations are known to remain in the wild (e.g. one on Tiantai Mountain),[4] all of them in Anhui and Zhejiang provinces and threatened by habitat loss.[5] The species is now under second-class national protection in China.[6] The Sino-American Botanical Expedition of 1980[7] collected viable seeds and sent them to the Arnold Arboretum where it was found to be readily cultivated. The plant is now grown as an ornamental around the world.
Heptacodium miconioides is a deciduous large shrub or small tree, typically growing to a height of 4–9 m (13–30 ft). The bark of the trunk is papery and thin, light tan in colour, and exfoliates in strips or sheets. The upright, spreading, quadrangular branches give the plant a rounded, often irregular shape. The dark-green cordate leaves are opposite, 8–10 cm long by 5–6 cm wide, with entire margins and deeply impressed venation running parallel to the margin.[7] In September, H. miconioides produces large shows of small fragrant white blooms attractive to butterflies and bumblebees,[8] the flowers five-petalled, < 13 mm across.[9] When the white corollas have fallen, the calyces develop into deep red expanded lobes which persist into November. The plant may be found in scrub, woodlands, and on the margins of broadleaved evergreen forests, often on cliffs, at altitudes of 600–1000 metres.[10]
Noted plantsman John Grimshaw, director of the Yorkshire Arboretum, relayed the following observation of H. miconioides from distinguished botanist Allen J. Coombes, (formerly of the Hillier Gardens and currently coordinator of scientific collections at the University Botanic Garden Puebla, Mexico):
'Seven' is actually misleading, for the flowers in each capitulum are held in two rows of three clustered around a central bud, which is not a flower bud but in fact a continuation of the inflorescence axis, which will push up as the flowers fade and develop a new ring of six flowers, again around a central bud. Three such iterations have been observed.
Readily propagated from either seed or by softwood cuttings, the species has since become widely available in North America and Europe, and was stocked by 26 nurseries in the UK alone in 2011.[1] H. miconioides is extremely hardy, and tolerant of temperatures as low as −35 °C (−31 °F). It is also fast-growing, and can reach a height of 3 m (9.8 ft) in just five years; it is also very shade tolerant.[7] All six of the first H. miconioides planted in the United States in 1980 at the Arnold Arboretum are still alive, indicating an expected lifespan greater than 40 years.[11] This plant has gained the Royal Horticultural Society’s Award of Garden Merit.[12][13]
In the UK, a specimen 8 m high (2012) planted in 1981 grows in the Flagpole Bed alongside Jermyn House at the Sir Harold Hillier Gardens, Ampfield, near Romsey.
The generic name of Heptacodium has sometimes[14] erroneously been said to mean 'seven bells' with a second element derived from Greek κώδων (codon) - 'bell', but was in fact coined by Arnold Arboretum taxonomist Alfred Rehder from the Greek κώδειά (codeia) - 'poppy head' with the prefix έπτά (hepta-) 'seven', giving the meaning 'having seven structures resembling poppy heads'. The specific epithet miconioides alludes to the similarities in the plant, particularly its boldly-veined leaves, to certain species belonging to the unrelated genus Miconia (family Melastomataceae).
The common name in Standard Chinese 七子花 (qī zi huā) is composed of the characters 七 (qī) 'seven', 子 (zi) 'son' / 'child' and 花 (huā) 'flower' - whence 'Seven Son(s) Flower' ('Flower with seven children'). Approximate pronunciation (not allowing for tonality of Chinese language) 'Chee-dzu-hwaa'.[15]
Recent tests have demonstrated that extracts from the plant possess antibacterial activity.[16] The leaf blades of Heptacodium have been found to contain flavonoids, tannins, alkaloids, saponins, lignin and chlorogenic acid.[17]
Characteristic peeling bark of mature specimen.
Four trunks of mature specimen, side view.
Bifurcating trunks ( with fifth subsidiary trunk ) of mature specimen, viewed from above.
Single leaf, showing characteristic, three, parallel, longitudinal veins.
Spring foliage in canopy of mature specimen, viewed from beneath.
Close-up of small, scented, white flowers in late Summer / Early Autumn.
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Pink colouration of fruiting calyces.
Close-up of fruiting Calyces in late October.
Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.
Endemic to China, this species was discovered for Western horticulture in 1907 by the British plant hunter Ernest Wilson on behalf of the Arnold Arboretum. It was growing on mountain cliffs at 'Hsing-Shan Hsien' in present-day Xingshan County in the west of Hubei Province in central China. Considered rare even at that time, only nine populations are known to remain in the wild (e.g. one on Tiantai Mountain), all of them in Anhui and Zhejiang provinces and threatened by habitat loss. The species is now under second-class national protection in China. The Sino-American Botanical Expedition of 1980 collected viable seeds and sent them to the Arnold Arboretum where it was found to be readily cultivated. The plant is now grown as an ornamental around the world.
Heptacodium miconioides es la única especie del género monotípico Heptacodium, perteneciente a la familia de las caprifoliáceas. Es nativo de China.[2] Esta especie fue descubierta en 1907 en Hubei provincia del centro de China por Wilson, mientras recogía plantas en nombre del Arnold Arboretum. Considerada rara en ese momento, la especie está hoy amenazada por la pérdida de hábitat, y sólo se conocen nueve poblaciones que permanecen en la naturaleza, todas ellas en las provincias de Anhui y Zhejiang.[3] La especie se encuentra bajo protección nacional de segunda clase en China.[4] Sin embargo, la planta es también ampliamente cultivada como ornamental en todo el mundo.
H. miconioides es un gran arbusto o árbol pequeño, por lo general alcanza un tamaño de entre 4 y 8 m de altura. La corteza del tronco es como de papel y delgada, de color claro, y se exfolia en tiras o en hojas. Las ramas son verticales, extendidas, y cuadrangulares dan a la planta una forma redondeada, a menudo irregular. Las hojas de color verde oscuro, cordadas, son opuestas, de 8-10 cm de largo por 5-6 cm de ancho, con toda la venación profundamente impresionada paralela al margen.[5] En septiembre, H. miconioides produce grandes producciones de pequeñas flores blancas fragantes y atractivas para las mariposas, las flores de cinco pétalos, [6] Cuando las corolas de color blanco han caído, los cálices se convierten en profundos lóbulos expandidos rojos que persisten en noviembre.
Heptacodium miconioides fue descrito por Alfred Rehder y publicado en Plantae Wilsonianae an enumeration of the woody plants collected in Western China for the Arnold Arboretum of Harvard University during the years 1907, 1908 and 1910 by E.H. Wilson edited by Charles Sprague Sargent... 2(3): 618–619. 1916.[7]
Heptacodium miconioides es la única especie del género monotípico Heptacodium, perteneciente a la familia de las caprifoliáceas. Es nativo de China. Esta especie fue descubierta en 1907 en Hubei provincia del centro de China por Wilson, mientras recogía plantas en nombre del Arnold Arboretum. Considerada rara en ese momento, la especie está hoy amenazada por la pérdida de hábitat, y sólo se conocen nueve poblaciones que permanecen en la naturaleza, todas ellas en las provincias de Anhui y Zhejiang. La especie se encuentra bajo protección nacional de segunda clase en China. Sin embargo, la planta es también ampliamente cultivada como ornamental en todo el mundo.
Heptacodium est un genre de petits arbres originaires de Chine de la famille des Caprifoliacées.
Nom chinois : 七子花属
Il s'agit de petits arbres ou grands arbustes caducs, aux feuilles opposées.
La floraison débute en fin d'été.
Les inflorescences sont des capitules à sept fleurs, ce qui est à l'origine du nom générique : έπτά (sept) et κώδεια (têtes).
Les fleurs sont blanches, à cinq sépales avec une corolle tubulaire et cinq étamines.
Seules deux espèces, toutes originaires de Chine, sont référencées :
Ce genre est classé dans la tribu Linnaeeae de la sous-famille des Caprifolioideae de la famille des Caprifoliacées
L'espèce-type a été collectée en Chine, dans le Yunnan, lors de l'expédition de Ernest Henry Wilson en 1907. Elle a servi à la description du genre par Alfred Rehder en 1916.
Heptacodium est un genre de petits arbres originaires de Chine de la famille des Caprifoliacées.
Nom chinois : 七子花属
Heptakodijum (lat. Heptacodium), monotipski rod mirisnih grmova ili drveća iz porodice Caprifoliaceae. Jedina je vrsta H. miconioides iz južne i jugoistočne Kine.[1]
Dio je potporodice Caprifolioideae.
H. miconioides, botanički vrt New York, Bronx
H. miconioides
H. miconioides
H. miconioides
H. miconioides
Heptakodijum (lat. Heptacodium), monotipski rod mirisnih grmova ili drveća iz porodice Caprifoliaceae. Jedina je vrsta H. miconioides iz južne i jugoistočne Kine.
Dio je potporodice Caprifolioideae.
Heptacodium é um gênero botânico pertencente a família das Caprifoliaceae.
Heptacodium é um gênero botânico pertencente a família das Caprifoliaceae.
Heptacodium là một chi thực vật thuộc họ Caprifoliaceae. Chi này có các loài sau (tuy nhiên danh sách này có thể chưa đủ):
Bài viết liên quan đến Bộ Tục đoạn này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. Heptacodium là một chi thực vật thuộc họ Caprifoliaceae. Chi này có các loài sau (tuy nhiên danh sách này có thể chưa đủ):
Heptacodium miconioides, Rehder Heptacodium jasminoides, Shaw七子花属（学名：Heptacodium）是忍冬科下的一个属，为落叶灌木植物。该属仅有七子花（Heptacodium miconioides）等两种，分布于中国中部及东部。[1]
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。 
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