Page 91: 3,140 results for bract
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Section Paniceae: Dichotomous Key
...lowermost bract of inflorescence short, the blade and sheath mostly 28–58% of the total inflorescence height 3b. Reproductive stems scabrous along the angles (at least near the summit); l...
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Section Paludosae: Dichotomous Key
...lowest bract of the inflorescence 4b. Beak of perigynium with distinct, firm teeth 0.2–0.8 mm long; staminate spikes 1–3, borne on peduncles (8–) 20–90 mm long, usually equaled or overto...
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Section Limosae: Dichotomous Key
...lowest bract of inflorescence 3–15 cm long, equaling or exceeding the height of the inflorescence; stems usually phyllopodic, with dead leaf remains at base 1b. Carpellate scales shorter ...
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Section Griseae: Dichotomous Key
...Lowermost bract of inflorescence with a tightly clasping sheath; widest leaf blades (1.8–) 2.4–4 (–4.6) mm wide; carpellate spikes loosely flowered, many of the perigynia borne in 2 ranks; beak of per...
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Salicornia: Dichotomous Key
...by bracts 2b. Leaf and scale apex rounded to acute [Fig. 340], without a mucro; inflorescence 2.9–5 mm thick, usually of similar thickness to that of the stem; central flower exceeding th...
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Alnus: Dichotomous Key
...leaf-like bracts, 0.5–1.2 mm thick in fruit 2b. Winter buds on stalks 2–4 mm long, with 2 or 3 scales of equal size, rounded to acute at the apex, scurfy-pubescent; samara merely thin-edg...
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Calystegia: Dichotomous Key
...reduced; bracts subtending the calyx cuneate at the base 1b. Stems twining or trailing; leaf blades sagittate to hastate at the base; leaves subtending the flowers with petioles more than...
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Pyrola: Dichotomous Key
...petals; bracts below the flowers numbering 0–2 (–3), narrow-lanceolate, not clasping the scape 3b. Leaf blades broad-elliptic to reniform, usually ± equaling the length of the petiole; se...
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Lamium: Dichotomous Key
...and bracts sessile and clasping; calyx lobes erect (i.e., oriented straight forward); flowers without a subtending bractlet; connate portion of the corolla (i.e., the tube) glabrous on the inner surfa...
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Callitriche: Dichotomous Key
...by bracts; leaf blades ± uniform, never forming a floating rosette 2a. Schizocarp 0.5–0.7 mm long, borne on a short pedicel 0.1–0.6 mm long, each mericarp with an inconspicuous wing-marg...