Baccharis halimifolia Linnaeus (Q2146)
Baccharis halimifolia is a taxon with the rank species within the genus Baccharis
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Baccharis halimifolia Linnaeus
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Baccharis halimifolia is a taxon with the rank species within the genus Baccharis
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Statements
taxon/id/Baccharis halimifolia Linnaeus
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Baccharis halimifolia Linnaeus
Baccharis halimifolia
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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baccharis à feuilles d'arroche (French)
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CA-NS
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CA-NS
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US-AL
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US-AR
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US-CT
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US-DE
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US-FL
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US-GA
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US-LA
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US-MD
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US-MA
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US-MS
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US-NJ
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US-NY
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US-OK
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US-PA
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US-RI
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US-SC
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US-TX
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US-VA
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Shrubs or trees, 100–300 (–600) cm (freely branched).
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Stems erect to ascending, slender, striate-angled, glabrous or minutely scurfy, sometimes resinous.
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short-petiolate or sessile;
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blades elliptic to broadly obovate or rhombic, main cauline rhombic, 30–50 (–80) × 10–40 (–60) mm (thick and firm), bases cuneate, margins entire proximally, usually coarsely serrate distal to middles (teeth 1–3 pairs), faces glabrous, gland-dotted, resinous (distal reduced, entire).
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Heads 3–4 in loose pedunculate clusters in (terminal, leafy-bracted) broad paniculiform arrays.
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staminate 3–5 mm, pistillate 3–5 mm.
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Phyllaries ovate to lanceolate, 1–4 mm, margins scarious, medians green, apices obtuse to acute.
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Staminate florets 25–30;
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Pistillate florets 20–30;
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corollas 2.5–3.5 mm.
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Cypselae 1–1.8 mm, 8–10-nerved, glabrous;
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pappi 8–12 mm. 2n = 18.
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elliptic
broadly obovate or rhombic
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