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词条 Guzmania xanthobractea
释义

  1. Description

  2. Sources

{{Italic title}}{{taxobox
|name = Guzmania xanthobractea
|image = Guzmania xanthobractea.jpg
|image_caption = Guzmania xanthobractea, Ecuador, Mindo cloud forest
|status = NT
|status_system = IUCN3.1
|regnum = Plantae
|unranked_divisio = Angiosperms
|unranked_classis = Monocots
|unranked_ordo = Commelinids
|ordo = Poales
|familia = Bromeliaceae
|subfamilia = Tillandsioideae
|genus = Guzmania
|species = G. xanthobractea
|binomial = Guzmania xanthobractea
|binomial_authority = Gilmartin
|}}

Guzmania xanthobractea is a species of plant in the Bromeliaceae family. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is threatened by habitat loss.

Description

The species is a terrestrial or epiphyte, clustering, flowering to 1 m high. Rosulate, spreading leaves are 80—100 mm long with elliptic, brown leaf sheaths, to 9 x 6 cm wide; leaf blades are ligulate, acuminate, 35—50 mm wide. Scape is red, curved, about 5 mm in diameter with subfoliaceous, erect, densely imbricate bracts. Inflorescence is laxly bipinnate, about 40—50 x 15—20 cm; primary bracts are green and red, ovate, acuminate, 4—8 cm long; spikes are ascending, subdensely ellipsoid, 10—14 cm long, 40—45 mm in diameter, 9—15-flowered. Floral bracts are yellow, imbricate toward apex of spike, obovate, 35—40 x 15 mm wide, thin, nerved. Sepals are obovate, acute, 20—22 mm x 5—7 mm, glabrous. Petals are about 5 cm long with green lobes.

Sources

  • Smith, L.B. & R. J. Downs. 1977. Tillandsioideae (Bromeliaceae), Part II. Fl. Neotrop. Monogr. 14(2): 663–1492.
  • Gilmartin, A. J. 1972. The Bromeliaceae of Ecuador. Phanerog. Monogr. 4: 1–255.
  • {{Cite journal | author = Manzanares, J.M. | author2 = Pitman, N. | last-author-amp = yes | title = Guzmania xanthobractea | journal = The IUCN Red List of Threatened Species | volume = 2003 | page = e.T43270A10791617 | publisher = IUCN | date = 2003 | url = http://www.iucnredlist.org/details/43270/0 | doi = 10.2305/IUCN.UK.2003.RLTS.T43270A10791617.en | access-date = 21 December 2017}}
{{Taxonbar|from=Q10763347}}{{Guzmania-stub}}

5 : Guzmania|Bromeliaceae|Endemic flora of Ecuador|Near threatened plants|Taxonomy articles created by Polbot

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