Phenology: Flowering Jul–Aug. Habitat: chiefly in maize fields. Elevation: 20–90 m. Generated Map Legacy Map Introduced; N.C., S.C., Africa Striga asiatica
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231, 237, 239. Herbs or subshrubs. Stems decumbent to ascending or erect, 15–90 cm, retrorsely hairy, hairs pointed, not glaucous. Leaves cauline, opposite
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beardtongue Endemic Treatment appears in FNA Volume 17. Treatment on page 90. Mentioned on page 86, 87. Subshrubs, cespitose. Stems ascending to erect
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Mentioned on page 288, 295. Plants without conspicuous rhizomes. Culms 20–90 cm, 1.7–2.2 mm wide basally, 0.7–1.1 mm wide distally. Leaves: sheaths tight
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perennial, cespitose, rhizomatous. Culms trigonous to terete, (25–) 40–60 (–90) cm, glabrous. Leaves flat or V-shaped, (10–) 25–50 cm × 5–8 (–12) mm. Inflorescences:
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page 547. Mentioned on page 14, 487. Perennials [annuals, biennials], [5–] 30–90 cm (rhizomatous and/or stoloniferous; not notably aromatic). Stems 1–5+, ascending
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on page 685. Plants annual or perennial; sometimes rhizomatous. Culms 1.5-90 cm, erect. Cauline leaves 1-3; sheaths open to the base; auricles absent;
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Treatment on page 693. Plants perennial; cespitose, sometimes rhizomatous. Culms 5-90 cm, erect or decumbent at the base. Leaves basally concentrated; sheaths open
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McQueen†, Richard E. Andrus Treatment appears in FNA Volume 27. Treatment on page 90. Mentioned on page 87. Illustrator: Patricia M. Eckel Copyright: Flora of
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very large, compact or open communities, or occasionally solitary. Leaves 20–90 (–125) × 0.7–2 cm wide at base in narrow forms, 2–2.5 cm in broader forms
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20–35 (–47) mm, nearly as thick as central spines; central hooked spine 50–90 (–130) × 0.5–1 (–1.7) mm; others, if present, straight and poorly differentiated
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Treatment appears in FNA Volume 26. Treatment on page 113. Mentioned on page 90, 94, 114. Illustrator: Yevonn Wilson-Ramsey Copyright: Flora of North America
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villous to glabrescent; lobes 3 (-5), deltate, 0.7-4 cm wide; middle lobe 70-90% of total blade length. Inflorescences 1-flowered, villous to pilose; involucral-bracts
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short-strigose, glandular-hairy; blade oblong-lanceolate or linear, (10–) 14–90 [–95] x 2–20 mm, margins green, apex acute. Spikelike racemes 1–14 cm; flowers
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appears in FNA Volume 20. Treatment on page 55. Mentioned on page 52. Plants 20–90 cm. Stems green to reddish-brown when young, branched, glabrous or sparsely
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sulcate, hooked bristles in 3 circumferential rows, proximal row spreading 45–90°, glandular-hairy (hairs short-stipitate), grooves strigose, ridges rarely
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sulcate, hooked bristles in 3–4 circumferential rows, proximal row spreading ± 90° to ± reflexed, usually glistening with sessile-glandular hairs, ridges sometimes
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villous to tomentose. Peduncles not notably elongating after flowering, 5–60 (–90) cm in fruit, glabrous or glabrate, or apically puberulent to lanate, sometimes
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cespitose, in small clumps; rhizomes short. Culms erect to arching, slender, 15–90 cm. Leaves: sheaths relatively tight, pale to mid brown abaxially, inner band
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blades, 1-nerved or 3-nerved, linear to narrowly oblanceolate or spatulate, 17–90 × 1–7 (–12) mm, rigid, attenuate, margins sometimes ciliate (often minutely)
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