Description
(
英語
)
由eFloras提供
Erect to decumbent annual herbs, 15-30 cm tall, branched from the base, usually coverd with white woolly tomentum. Leaves linear-obovate to oblanceolate-spathulate, obtuse to apiculate, sessile or base attenuating into a petiole, (0.5-) 0.75-3 (-3.5) x0.3-0.75 (-1) cm, white woolly on the lower surface, glabrescent on the upper surface. Capitula 2.5-3 mm across, campanulate in terminal or axillary dense leafy spikes; phyllaries 2-3-seriate, scarious, pale brownish, outer most woolly, 1-2 x c. 1 mm, ovate-lanceolate with scarious margins and green midrib; inner longer 2-2.5 x c. 0.5 mm, oblong. Outer marginal florets many, filiform, with c. 1 mm long corolla, disc florets 4-6, corolla ± tubular, 5-lobed. Cypselas c. 0.5 mm long, papillose, pappus c. 2 mm long, white, setae free, deciduous separately.
- 許可
- cc-by-nc-sa-3.0
- 版權
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
英語
)
由eFloras提供
Distribution: A widespread weed in tropical and subtropical Africa, Asia, Australia and tropical America.
- 許可
- cc-by-nc-sa-3.0
- 版權
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
英語
)
由eFloras提供
Fl.Per.: Almost throughout the year.
- 許可
- cc-by-nc-sa-3.0
- 版權
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Derivation of specific name
(
英語
)
由Flora of Zimbabwe提供
polycaulon: with many stems
- 許可
- cc-by-nc
- 版權
- Mark Hyde, Bart Wursten and Petra Ballings
- 書目引用
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Gnaphalium polycaulon Pers. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=159380
- 作者
- Mark Hyde
- 作者
- Bart Wursten
- 作者
- Petra Ballings
Description
(
英語
)
由Flora of Zimbabwe提供
Annual herb, branching from the base, up to 25 cm tall but often flowering when only a few cm tall. All parts more or less densely covered in white cobweb-like wool. Leaves sessile or shortly petiolate, spathulate, 1-7 cm long, mucronate at the apex; margin entire. Inflorescence in a terminal spike with leaf-like bracts. Involucral bracts c. 3-seriate, oblong, c. 2 mm long, pale buff or purple-tinged. Florets small, numerous, whitish.
- 許可
- cc-by-nc
- 版權
- Mark Hyde, Bart Wursten and Petra Ballings
- 書目引用
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Gnaphalium polycaulon Pers. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=159380
- 作者
- Mark Hyde
- 作者
- Bart Wursten
- 作者
- Petra Ballings
Worldwide distribution
(
英語
)
由Flora of Zimbabwe提供
Widespread in Asia, Australia, West Indies, Brazil, Egypt, Tropical and South Africa
- 許可
- cc-by-nc
- 版權
- Mark Hyde, Bart Wursten and Petra Ballings
- 書目引用
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Gnaphalium polycaulon Pers. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=159380
- 作者
- Mark Hyde
- 作者
- Bart Wursten
- 作者
- Petra Ballings
Gnaphalium polycaulon: Brief Summary
(
英語
)
由wikipedia EN提供
Gnaphalium polycaulon, the many stem cudweed, is a plant species in the family Asteraceae. It is widespread across much of Mesoamerica, South America, and the West Indies, and naturalized in parts of Asia and Africa.
Gnaphalium polycaulon is a small annual herb up to 25 cm (9.8 in) tall, with several erect to ascending branches. Stems, leaves and phyllaries are covered with a dense coat of woolly hairs, giving the plant a whitish appearance. Leaves are narrowly linear, up to 4.5 cm (1.8 in) long. Flower heads are born in tight, elongated array. Each head contains numerous florets, mostly yellowish but sometimes with purple tips
Rau khúc nếp: Brief Summary
(
越南語
)
由wikipedia VI提供
Rau khúc nếp là tên gọi tiếng Việt có thể của hai loài thực vật thuộc chi rau khúc:
Loài
Gnaphalium polycaulon theo tham khảo từ tác giả Phạm Hoàng Hộ và Nguyễn Tiến Bân Loài
Gnaphalium indicum theo tham khảo từ tác giả Đỗ Tất Lợi
多茎鼠麴草: Brief Summary
(
漢語
)
由wikipedia 中文维基百科提供
多茎鼠麴草（学名：Gnaphalium polycaulon）为菊科鼠麴草属下的一个种。
Trang định hướng này liệt kê những bài viết liên quan đến tiêu đề Rau khúc nếp. 
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