dcsimg

Comprehensive Description

provided by North American Flora
Vernonia fruticosa (L.) Sw. Fl. Ind. Occ. 1323. 1806
Conyza fruticosa L. Sp. PI. ed. 2. 1209. 1763. Cacalia fruticosa Kuntze, Rev. Gen. 968. 1891.
Stems shrubby or suffruticose, climbing, very slender, freely and loosely branched,
glabrous or puberulent at the summit; leaf-blades firm, ovate-oblong, 1-2 cm. long, 5-10 mm.
wide, obtuse or rounded, irregularly crenate or subentire, rounded or subcordate at base,
dark-green and thinly but softly papillose-pubescent above, densely gray-tomentose beneath;
petioles 1-2 mm. long; upper and terminal branches floriferous and strongly flexuous; bracteal
leaves resembling the cauline in shape and size; heads 21 -flowered; involucre broadly turbinate
or campanulate, 5 mm. high; scales all erect or somewhat spreading, very loosely imbricate,
puberulent or occasionally glabrous, the outer subulate, the inner narrowly lanceolate and
long-acuminate with a subulate tip; achenes hirsute; pappus nearly white, the bristles 4 mm.
long, the scales broad and conspicuous, 0.8 mm. long.
Type locality: Tropical America.
Distribution: Santo Domingo.
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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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