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Thalictrum: Dichotomous Key
... 2b. Leaflets with 4 or more lobes, these often appearing as 3 lobes and each lobe with 1–3 tooth-like sublobes [Fig. 821]; filaments colored, usually red-purple to purple or yellow to green-...
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Nicotiana: Dichotomous Key
...12–20 mm long 2b. Petiole broadly winged and shortly decurrent on the stem; pedicels 5–10 (–15) mm long in flower, elongating to 20 (–25) mm in fruit; basal, tubular, connate portion of t...
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Viola key for fruiting and cleistogamous flowering material: Dichotomous Key
...1.5–2.2 ×1.2–1.5 mm 27b. Stipules herbaceous, green, mostly dentate or undulate; capsules 10–12 mm long; seeds 2.5–3.2 ×1.5–1.8 mm 26b. Stipules herbaceous or s...
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Galium aparine (scratch bedstraw)
... 2.0 mm–5.0 mm. Calyx growth after flowering: NA. Seed number: 2.0 NA–2.0 NA. ...
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Poa saltuensis (old-pasture blue grass)
...[Fig. 263], the keel and lateral margins of lemma forming an apical angle of 42–82 degrees, firm at the apex, the scarious tip absent or up to 0.25 mm long; upper ligules mostly 2–4.6 mm long … 12b. ...
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Botrychium rugulosum (St. Lawrence grapefern)
...mostly 2-5 mm wide, somewhat channeled and concave abaxially, semiherbaceous).: Botrychium multifidum Synonyms: Botrychium multifidum for...
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Galium palustre (marsh bedstraw)
... 2.0 NA–2.0 NA. Legumes (Fabaceae): NA. Fruit length: 2.0 mm–3.0 mm. ...
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Botrychium ascendens (upswept moonwort)
...0.25 times as long as the vegetative portion of leaf (vs. B. ascendens, with rachis of vegetative portion of leaf often relatively narrow, up to 0.25 times as broad as the entire portion, and stalk of...
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Anemone virginiana (tall anemone, tall windflower)
...achenes 2-4.5 cm tall, 2-5 time as tall as wide (vs. A. virginiana, with the inflorescence subtended by usually 2 or 3 leaves, and the heads of achenes 1.5-3 cm tall and 1-1.5 times as tall as wide).:...
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Triosteum aurantiacum (orange-fruited horse-gentian)
...9–12 mm long, conspicuously hispid-ciliate, the abaxial surface glabrous or short-pubescent, stem long-pubescent, the longer hairs 1.5–3 mm long, and leaf blades 2–6 cm wide (vs. T. aurantiacum, with ...