dcsimg

Comprehensive Description ( Inglês )

fornecido por North American Flora
Vernonia shaferi Gleason, Bull. Torrey Club 46: 238. 1919
Stems shrubby, 1-2 m. high, the young branches closely cinereous-pubescent, becoming glabrate the second year; leaf-blades ovate-lanceolate or elliptic, as much as 12 cm. long and 4 cm. wide, acuminate, entire, acute at the base, dark-green, minutely papillose-pubescent, and very sparsely resinous-dotted above, similar but paler-green below; heads about 18flowered, crowded in leafy secund cymes at the end of the young branches; bracteal leaves oblong or oblong-ovate, acute, 5-10 mm. long; involucre broadly turbinate to campanulate, 6 mm. high; scales closely imbricate, erect or appressed, narrowly oblong-lanceolate, acuminate, irregularly pubescent and ciliate, usually resinous toward the apex; achenes hirsute; pappus white, the bristles 6.5-7 mm. long, the scales very irregular in length, as much as 2 mm. long, minutely ciliate.
Type locality: Montserrat.
Distribution: Montserrat.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora

Comprehensive Description ( Inglês )

fornecido por North American Flora
Vernonia albicaulis Pers. Syn. PI. 2: 404. 1807
Eupatorium oblusifolium Willd. Sp. PI. 3: 1768. 1804. Not Vernonia obtusifolia Less. 1829.
a glabra Willd. Sp. PI. 3: 1940. 1804. Not Vernonia glabra Vatke, 1877. Lepidaploa albicaulis Cass. Diet. Sci. Nat. 26: 17. 1823. Vernonia emarginala Wikst. Sv. Vet.-Akad. Handl. 1827: 73. 1828. Vernonia Vahliona Less. Linnaea 4: 306. 1829.
Vemonia Thomae Benth.; Oerst. Vidensk. Meddel. 1852:66. 1S52.
Cacalia Thomae Kuntze, Rev. Gen. 324. 1891.
Vernonia longifolia Vahliona Urban, Symb. Ant. 1: 456. 1899.
Vernonia longifolia Sintenisii Urban, Symb. Ant. 1: 456. 1899.
Vernonia Sintenisii Gleason, Bull. N. Y. Bot. Gard. 4: 187. 1906.
Stems shrubby, freely branched, closely cinereous-tomentulose; leaves numerous and
crowded, the blades thin, pale-green, broadly elliptic to oblong, 3-7 cm. long, 1-4 cm. wide,
subacute to obtuse, rounded, or retuse, entire, narrowed from below the middle to an acute
or obtuse base, finely strigose-pubescent and resinous on both sides, especially beneath;
petioles 3-8 mm. long; inflorescence of a few short leafy cymes forming a loose, spreading,
terminal cluster; bracteal leaves resembling the cauline but reduced to 1 cm. long; heads
crowded, about 21 -flowered; involucre campanula te, 5 min. high; scales rather closely imbricate
in several ranks, pubescent or villous, frequently purplish, the inner sharply acute; achenes
prominently ribbed, densely hirsute; pappus pale-brown or tawny, the bristles 4-5 mm.
long.
Type locality: St. Croix.
Distribution: Porto Rico, St. Croix, St. Thomas, and Tortola.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora

Comprehensive Description ( Inglês )

fornecido por North American Flora
Vernonia longifolia Pers. Syn. PI. 2: 404. 1807
Lepidaploa lanceolata Cass. Diet. Sci. Nat. 26: 18. 1823.
Vernonia punctata Sw.; Wikst. Sv. Vet.-Akad. Handl. 1827: 72. 1828.
Cacalia punctata Kuntze, Rev. Gen. 970. 1891.
Vernonia longifolia genuina Urban, Symb. Ant. 1: 456. 1899.
Stems shrubby, 1-2 m. high, freely branched, finely pubescent; leaves numerous, the blades thin, bright-green, narrowly elliptic, lanceolate, or ovate-lanceolate, 7-10 cm. long, 1.5-4.5 cm. wide, acuminate, entire, acute at the base, very minutely puberulent and resinousdotted on both sides; petioles 5-10 mm. long; inflorescence terminal, depressed, of numerous short, crowded, curved, freely branched cymes; heads secund, about 18-flowered; bracteal leaves oblong, equaling or greatly exceeding the heads; involucre campanulate or subhemispheric, 5-6 mm. high; scales closely imbricate, appressed, strigose-pubescent, acuminate, the outer lanceolate, the inner linear-oblong and resinous near the apex; achenes hirsute; pappus pale-tawny, the bristles 4-5 mm. long, the scales slender, irregular, 0.5-1 mm. long.
Type locality: Guadeloupe. Distribution: Lesser Antilles.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora