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Vernonia noveboracensis, commonly called ironweed or New York ironweed, is a tall, coarse, upright perennial which typically occurs in the wild in moist thickets, low areas and along streambanks from Massachusetts to Mississippi. Features numerous tiny, fluffy, deep purple, composite flowers (rays absent) in loose, 3-4" wide, terminal clusters ...
IPNI Life Sciences Identifier (LSID) urn:lsid:ipni.org:names:257850-1 Publication Flora Indiae Occidentalis . . . Collation 3: 1320 Family as entered in IPNI
11 de feb. de 2012 · Vernonia arborescens (L.) Sw. This name is the accepted name of a species in the genus Vernonia (family Compositae ). The record derives from TICA (data supplied on 2012-02-11 ) which reports it as an accepted name (record B8773B08-AF03-45F2-8A02-133ACC27BF40 ) with original publication details: Fl. Ind. Occid. 3: 1320. 1806. 1320 1806 .
Vernonia amygdalina, a member of the daisy family, is a small to medium-sized shrub that grows in tropical Africa. V. amygdalina typically grows to a height of 2–5 m (6.6–16.4 ft). The leaves are elliptical and up to 20 cm (7.9 in) long. Its bark is rough. V. amygdalina is commonly called bitter leaf in English because of its bitter taste.
Lepidaploa arborescens. First published in Proc. Biol. Soc. Washington 103: 481 (1990) This species is accepted. The native range of this species is Mexico to Peru, Caribbean. Taxonomy.
One highly polymorphic species, Vernonia arborescens, is recognized from the West Indies and Central and South America and no characters were found that can be reliably used to separate taxa in this group. Extensive morphological variation and a wide geographical range have led to difficulties in the taxonomy of Central American and West Indian species of Vernonia.
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