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FNA | Family List | FNA Vol. 21 | Asteraceae | Conoclinium

2. Conoclinium betonicifolium (Miller) R. M. King & H. Robinson, Phytologia. 19: 300. 1970.

Betony-leaf mistflower

Eupatorium betonicifolium Miller, Gard. Dict. ed. 8, Eupatorium no. 9. 1768

Stems decumbent or procumbent (rooting at nodes). Leaf blades usually oblong to oblong-lanceolate or oblanceolate to ovate, sometimes triangular, 2.5–5(–11) cm, bases cordate, obtuse, or truncate (often subauriculate), margins usually crenate to dentate, rarely entire, apices rounded to obtuse. Phyllaries ca. 4 mm. Corollas blue to purple, 2.5–3 mm. Cypselae 1.2–1.8 mm, glabrous; pappi: bristle tips dilated.

Varieties 2 (2 in the flora): Texas; Mexico.

1 Leaf blades mostly oblong to oblong-lanceolate, bases cordate to truncate (often subauriculate), margins crenate; coastal habitats   2a Conoclinium betonicifolium var. betonicifolium
+ Leaf blades mostly oblanceolate to ovate, bases cordate, obtuse, or truncate, margins crenate or entire; inland habitats along streams and around lakes   2b Conoclinium betonicifolium var. integrifolium


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