underground stolons. Stems erect or slightly ascending, 1 or several from base, sparsely branched in inflorescence,occasionally inflorescence simple or nearly
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usually lanose-floccose, occasionally glabrate; ligules about 0.1 mm; blades 10-25 (30) cm long, 2-6 mm wide, flat, light green or slightly blue-green, glabrous
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diameter, occasionally flat and 0.5-1.5 mm wide. Panicles 1.6-5.5 cm, usually contracted, sometimes diffuse, lower branches erect or ascending, spikelets
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slender little-branched taproot. Stems erect to ascending, branched, dichotomous distally and slightly angled, 4–25 cm, glabrous or sparsely strigillose
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Mentioned on page 141. Plants perennial, often mat-forming, glabrous. Stems ascending or, more frequently, procumbent, rooting at nodes, giving rise to secondary
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America Association Plants perennial (occasionally biennial), often matted; taproot stout. Stems prostrate to ascending, branched especially distally, retrorsely
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calyx length; lobes curved slightly toward adaxial side, narrowly oblong to narrowly lanceolate, apex acute. Corollas often slightly curved, 25–45 mm; tube
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extensively in the horticultural trade in the Canadian prairie provinces, may occasionally persist after cultivation. None. Ribes acerifolium, Ribes amarum, Ribes
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mm, slightly exceeding the upper florets, 11-13 (15) -veined, veins scabridulous distally; lower florets sterile; lower lemmas 4-4.8 mm, slightly exceeding
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papillose-hirsute; fall phase branching from the midculm nodes, branches initially ascending to erect, sometimes developing simultaneously with and overtopping the
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Herbs, annual, 0.1–4.5 dm; with fibrous-roots. Stems solitary, erect to ascending, unbranched or diffusely branched from near base, hairs spreading, medium
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finely serrulate (usually distally), apex usually rounded to obtuse, occasionally slightly retuse or obcordate proximally, bluntly mucronate, surfaces glabrous;
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underground stolons. Stems erect, rarely ascending, tufted at base and branched only in inflorescence, occasionally inflorescences simple or nearly so, 10–40
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leaves gradually tapering to insertion (except H. pratense); alar regions slightly differentiated > 4 3 Stem leaves curved to insertion (except H. lindbergii);
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not at anthesis, because both species have straight to slightly arching panicles with ascending branches. However, the rachis nodes of S. secundum are
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0.2–0.3 mm thick, internodes 1–5 mm, scales not evident. Culms often ascending or spreading, 4-angled or sometimes terete, sometimes sulcate, 1–7 cm ×
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yellow-brownish or olive to green-brown. Stems (1–) 2–7 cm or occasionally up to 10 cm long, prostrate to ascending, irregularly sparsely branched, usually radiculose
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from almost straight to somewhat curved basally, ascending to divergent distally; lateral awns slightly shorter and thinner than the central awns; anthers
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densely glandular, lacking cilia but with occasional 1–2-celled translucent projections. Vein tips slightly (if at all) enlarged, barely visible adaxially
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(–17) mm, tube white or light purple to bluish purple, slightly constricted above ovary, slightly to moderately curved forward, glandular-pubescent; palatal
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