Page 49: 3,316 results for 2
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Ornithogalum: Dichotomous Key
...128], with 5–12 (–18) flowers; pedicels nodding, especially after anthesis, the lower up to 1 cm long; filaments with 2 lateral teeth near the apex; leaves 5–10 mm wide 1b. Inflorescence ...
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Polygonatum: Dichotomous Key
...(2002). 1a. Leaves glabrous on both surfaces, with 7–19 prominent veins; axillary peduncles with 2–10 (–15) flowers; distinct portion of tepals (i.e., the lobes) 4–6.5 mm long ...
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Suaeda: Dichotomous Key
...342]; utricle 1–2 mm long 1b. Sepals keeled on the abaxial surface or 1 or 2 of them larger and corniculate-appendaged; utricle 1–1.5 mm long 2a. Sepals unequal at maturity, ...
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Panax: Dichotomous Key
...plants 2–6 dm tall, in anthesis in July; flowers mostly bisexual; drupe red; root elongate and fusiform 1b. Leaflets mostly 4–8 cm long, sessile or nearly so, obtuse to acute at the apex;...
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Omalotheca: Dichotomous Key
...Group 2 > Omalotheca. Omalotheca. 1a. Pappus bristles distinct and falling separately; principal leaf blades 12–30 mm long; alpine plants 2–10 cm tall, growi...
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Verbesina: Dichotomous Key
...annual, 2–10 dm tall; stems without decurrent wing-angles; capitula with 10–15 carpellate ray flowers; leaf blades coarsely serrate 1b. Plants perennial, 10–30 dm tall; stems with promine...
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Ratibida: Dichotomous Key
...or 2 tooth-like scales); style branches stigmatic in the apical ½ 1b. Disk cylindric, 10–50 ×7–12 mm; plants from a taproot; pappus usually consisting of 1 or 2 tooth-like scales ...
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Plagiobothrys: Dichotomous Key
...calyx 2–4 mm long; corolla 1.5–3.5 mm wide in life 1b. Attachment scar of mericarp not situated within a trough; outer surface of mericarp with cross-ribs that are ± toothed (rarely the t...
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Berteroa: Dichotomous Key
...style 2–3 mm long; seeds with a narrow margin 1b. Siliques 6–12 ×3.5–5 mm, compressed, ± glabrous or with some hairs near the margins of the valves; fruiting pedicels widely ascend...
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Proserpinaca: Dichotomous Key
...(4–) 6–9 (–12) pairs of segments 2–7.5 mm long; fruits 2–2.8 mm wide