dcsimg

Comprehensive Description

provided by North American Flora
Vernonia inaequiserrata Schultz-Bip. Jour. Bot 1:232. 1863.
Vernonia rubricaulis Griseb. Mem. Am. Acad. II. 8: 511. 1862. Not V. rubricaulis Humb. & Bonpl. 1810.
Stems apparently herbaceous, 1-2 m. high, thinly cinerous-tomentose; leaf-blades firm,
narrowly oblong to elliptie-oblong, 6-9 cm. long, 1-2.5 cm. wide, acute or short-acuminate,
irregularly serrate to subentire, narrowed or subobtuse at base, rugose and nearly glabrous
above, prominently reticulate and cinerous-tomentose beneath; cymes spreading, terminal
and subterminal; lower bracteal leaves resembling the cauline, gradually reduced above, the
upper twice as long as the 13-flowered heads; involucre campanulate-cylindric, 8 mm. high;
scales closely imbricate, appressed, thinly arachnoid or pubescent and frequently densely
glandular near the tip, the outer subacute and mucronate, the inner obtuse, rounded, or mu-
cronulate; achenes 3.5 mm. long; pappus-bristles sordid-purple or tawny, 6 mm. long, the
outer scales white, 1 mm. long.
Type locality: Cuba.
Distribution: Cuba.
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bibliographic citation
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

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Vernonia sagraeana DC. Prodr. 5: 55. 1836
Vernonia rigida Sagraeana Griseb. Cat. PI. Cub. 144. 1866.
Vernonia angusliceps Ekman, Ark. Bot. 13 15 : 14. 1914.
Vernonia Sagraeana angusliceps Gleason, Bull. Torrey Club 46: 240. 1919.
Stems shrubby, branching above, 1-2 m. high, cinereous or becoming glabrate; leaf-blades
firm, elliptic to ovate-oblong, 6-10 cm. long, 1.5-4 cm. wide, acute or short-acuminate, sharply
denticulate with spinulose teeth to nearly entire, rugose, shining, and scabrellate or glabrous
above, minutely puberulent on the veins beneath; cymes several, straight, leafy, 1-2 dm.
long; bracteal leaves resembling the cauline, but gradually reduced to 1.5 cm. long; heads 1-2
cm. apart, 18-21 -flowered; involucre campanulate, 6-8 mm. high; scales closely imbricate,
villous-pubescent, the outer triangular-ovate, sharply acuminate, the inner ovate-oblong, acute; achenes 4 mm. long; pappus pale sordid -purple, the bristles 7 mm., the linear outer scales 1-1.3 mm. long.
Type locality: Near Havana, Cuba.
Distribution: Cuba.
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bibliographic citation
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

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Vernonia valenzuelana A. Rich, in Sagra, Hist. Cuba 11:33. 1850.
Vernonia rigida Valenzuelana Griseb. Cat. PI. Cub. 144. 1866.
Stems woody, 10-15 dm. high, thinly pubescent, freely branched; leaf-blades rigid, coriaceous, narrowly oblong to elliptic-oblong, 8-10 cm. long, 8-17 mm. wide, acute, entire, or remotely denticulate with spinulose teeth, somewhat revolute, truncate to rounded or subcordate at base, rugose, but glabrous and shining above, puberulent and prominently reticulately veined beneath; cymes numerous, erect or ascending, sparingly branched; bracteal leaves resembling the cauline, but gradually reduced, the uppermost 1 cm. long; heads about 21 -flowered; involucre campanulate-cylindric, 8-9 mm. high; scales all appressed, closely and regularly imbricate, arachnoid-ciliate, pubescent, the outer ovate, the inner ovate-lanceolate, acute and cuspidate; achenes glabrous; pappus nearly white, the bristles 6 mm. long, the scales erect, white, narrowly linear, 1-1.2 mm. long.
Type locality: Vuelta de Abajo, Cuba.
Distribution: Cuba.
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cc-by-nc-sa-3.0
bibliographic citation
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

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Vernonia aceratoides Gleason, Bull. Torrey Club 40:325. 1913.
Vernonia inaequiserrata anguslifolia Griseb. Cat. PI. Cub. 144. 1866. Vernonia inaequiserrata oblusifolia Griseb. Cat. PI. Cub. 144. 1866. Vernonia linguaefolia Ekman, Ark. Bot. 13 l5 : 19. 1914.
Stems slender, apparently herbaceous, closely gray-tomentose; leaf-blades firm, narrowly
oblong-lanceolate to lance-linear, 7-8 cm. long, 1-1.2 cm. wide, acute and mucronulate or
obtuse, entire or somewhat repand, obtuse or rounded at base, minutely scabrellate and
resinous above, and puberulent along the midvein, finely brown-tomentose beneath; veins
prominent beneath and conspicuously reticulate; petioles 2-3 mm. long; cymes few, short,
divaricate, bearing 6-12 heads each; bracteal leaves oblong, proportionately narrower than
the cauline, the upper not exceeding the 1 1-13-flowered heads; involucre narrowly campanu-
late, 5-6 mm. high; scales closely and regularly imbricate, appressed, tomentose toward the
tip, finely and softly villous at the base and middle, the outer ovate-triangular, cuspidate, the
inner oblong-ovate, subacute and apiculate; pappus nearly white.
Type locality: Cuba.
Distribution: Cuba.
license
cc-by-nc-sa-3.0
bibliographic citation
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

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Vernonia fallax Gleason, Bull. Torrey Club 40: 324. 1913
Stems shrubby, erect, 1 m. high, sparingly branched, closely gray-tomentose ; leaf-blades firm, narrowly elliptic-oblong, 5-10 cm. long, 1.5-2.5 cm. wide, acute, mucronate, entire or obscurely spinulose-denticulate, narrowed to an acute base, thinly puberulent, especially on the veins, and minutely glandular-punctate above, finely and closely gray-tomentose beneath; veins elevated and prominent, but not conspicuously reticulate; petioles 1-2 mm. long, tomentose; inflorescence terminal, pyramidal, of 4-10 short, spreading or recurved cymes bearing each 3-7 secund, 21 -flowered heads; involucre broadly campanula te or subhemispheric, 6-7 mm. high; scales appressed, closely imbricate, the outer ovate-triangular, acute and cuspidate, the middle densely villous, the inner narrowly oblong-linear, minutely puberulent beneath the strigose pubescence of long white hairs; achenes with a few resinous glands; pappus pale-brown, the bristles 6 mm. long, the scales broad, 0.8 mm. long, finely fimbriateciliate.
Type locality: Trinidad Mountains, Santa Clara, Cuba. Distribution: Cuba.'
license
cc-by-nc-sa-3.0
bibliographic citation
Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
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North American Flora