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Stellaria: Dichotomous Key
...(7.5–) 8–11 mm long; leaf blades 10–100 mm long; capsules shorter than the persistent sepals 1b. All the leaves sessile; stems glabrous or minutely scabrous (sometimes apically hispidulou...
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Hypopitys: Dichotomous Key
...than 1% of collections in regional herbaria note stem color in life). 1a. Stems pink to red in life; plants flowering during the latter half of August and during September; stigma usua...
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Lotus: Dichotomous Key
...calyx 1–2 mm long; stipules inconspicuous glands; flowers solitary, borne on axillary peduncles; plants annual 1b. Corolla yellow, 10–14 mm long; basal connate portion of calyx 2.5–3.5 mm...
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Vicia: Dichotomous Key
...4–10 (–12) leaflets 2b. Corollas (9–) 10–13 (–18) mm long, blue, white and blue, or rarely entirely white; flowers in racemes of 10–50 [Fig. 656]; legume 15–40 mm long 4a. Pl...
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Rhexia: Dichotomous Key
... 1a. Stem with 1 opposing pair of angles larger, darker, and convex, the other pair of angles smaller, paler, and flat to concave; petals dull light purple to white, usually glabrous; apical, ...
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Orobanche: Dichotomous Key
... 1a. Flowers 1–3 per plant, borne on elongate pedicels 5–25 cm long from near the ground; calyx 5-lobed, without closely subtending bracts; corolla 12–20 mm long, weakly zygomorphic, the 5 lob...
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Polygala: Dichotomous Key
...(1968), Wheelock (1891). 1a. Leaves few, clustered near the tip of the stem, the blades elliptic to oval; inflorescence with 1–4 flowers that are 13–19 mm long; androecium with 6 stame...
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Pilea: Dichotomous Key
... 1a. Achenes 1–1.5 mm wide, dark purple to purple-black except for a narrow, pale, marginal band, with raised, rounded tubercles on the surface [Fig. 923]; leaf blades relatively less lustrous...
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Sporobolus clandestinus (hidden dropseed)
...mm–110.0 mm. Leaf ligule length: 0.1 mm–0.4 mm. Stem spacing: the stems grow close together in compact cl...
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Genus: Torreyochloa (false manna grass)
...have 1 vein, and the veins on the lemmas are conspicuous. Torreyochloa has open leaf sheaths, 3-veined upper glumes, and conspicuous veins on its lemmas. Family: Poaceae. This Genus's Species: ...