Page 107: 3,316 results for 2
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Rudbeckia: Dichotomous Key
...chaff 2.5–4 mm long 3b. Lower leaf blades with 3 or more prominent lobes; chaff 4–6.5 mm long 4a. Chaff tipped by a glabrous cusp; rays 1–2 (–2.5) cm long; plants biennial or...
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Brassica: Dichotomous Key
... 2b. Siliques quadrangular, 10–25 mm long, tipped by an indehiscent beak 1–3 mm long [Fig. 509]; fruiting pedicels erect to appressed, 2–5 mm long [Fig. 509]; plants usually hirsute-hispid in...
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Spergularia: Dichotomous Key
...0.2–0.3 mm wide [Fig. 575]; stipules 1–2.8 mm long; pedicels and sepals usually glabrous 2b. Leaf blades minutely mucronate at the apex; seeds 0.6–0.8 mm long, dull, smooth or minutely gl...
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Ipomoea: Dichotomous Key
...592]; sepals 15–25 mm long, with a linear, spreading to recurved tip 4b. Stigmas 2-lobed or entire; ovary 2-locular; sepals glabrous or sparsely villous on the basal half 6a....
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Calystegia: Dichotomous Key
... 2a. Sinus of leaf blade usually rectangular, the leaf tissue not beginning on the interior of the basal lobes for 2–5 (–10) mm from the petiole attachment [Fig. 588]; bracteoles rounded to ob...
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Pyrola: Dichotomous Key
... 2a. Leaf blades 10–30 (–40) mm long, usually shorter than the petiole; anther tubes (0.6–) 0.7–1.1 mm long; petals green-white 2b. Leaf blades 25–70 mm long, ± equaling to exceed...
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Salvia: Dichotomous Key
... 2a. Corolla 5–7 mm long, only shortly exceeding the calyx; leaf blades broad-ovate to triangular-ovate 2b. Corolla 12–20 mm long, greatly exceeding the calyx; leaf blades linear ...
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Pycnanthemum: Dichotomous Key
...12–30 (–40) mm wide, mostly less than 2.5 times as long as wide, rounded at the base, with a few low teeth on each margin 2b. Principal leaf blades linear to lanceolate, 2–12 (–15) mm wi...
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Salix key for staminate reproductive material: Dichotomous Key
...than 20 mm [Fig. 890] 18a. Aments 15.5–21.5 ×10–15 mm; floral bracts 1–2.2 mm long; anthers 0.5–0.8 mm long (in part) 18b. Aments 26–39 ×12–26 mm; floral bract...
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Verbascum: Dichotomous Key
...N672 ( GH!) and MacKeever N822 ( NEBC!) appear referable to V. phlomoides. Reference: Ferguson (1972). 1a. Plants pubescent with simple, glandular h...