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Eleocharis ambigens (ambiguous spikesedge)
...0.15 mm–0.5 mm. Inflorescence bract number: NA. Rhizome thickness: 1.0 mm–2.0 mm. ...
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Panicum tuckermanii (Tuckerman's panicgrass)
...spikelets 1.4–2.4 mm long, and upper floret usually dark brown at maturity).: Panicum capillare anthers mostly 0.8–1 mm long, uppermost leaf with a blade length to she...
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Amerorchis rotundifolia (round-leaved orchid)
... 1.0 NA–17.0 NA. Number of stamens: 1. Lower petal outline: the labellum is lobed b...
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Equisetum: Dichotomous Key
...(1979) reported E. ×nelsonii from CT, but specimens are unknown. References: Hauke (1963, 1978, 1993). 1a. Aerial stems monomorphic, unbranched, persisting more than one year (i.e., ev...
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Caprifoliaceae: Dichotomous Key
... 10b. Stem leaves simple; calyx obsolete or minute; plants annual 1b. Plants definitely woody; flowers with 5 stamens (with 4 stamens in Kolkwitzia) 11a. Stame...
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Carex Group 3: Dichotomous Key
... 10a. Spikes 3–10 (–15) per inflorescence, occurring singly at the nodes (in part) 10b. Spikes usually more than 15 per inflorescence, 2 or more produced from some nodes (i.e., ...
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Section Phacocystis: Dichotomous Key
... 11a. Perigynia with 3–9 veins on each surface, the beak with scabrules about the orifice [Fig. 102]; leaf blades with stomates on the adaxial surface 11b. Perigynia without veins...
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Section Laxiflorae: Dichotomous Key
...spike 11–21 mm long, with a basal internode of 1.1–3.2 (–4.8) mm [Fig. 91]; perigynia closely imbricate, with an abruptly bent beak; upper portion of flowering stem scabrous on the angles ...
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Erodium: Dichotomous Key
...3–10 flowers 4a. Carpel beaks 60–100 mm long; sepals 12–15 mm long; mericarp bodies 9–11 mm long (in part) 4b. Carpel beaks 25–42 mm long; sepals 8–12 mm long; mericarp bodie...
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Linaria: Dichotomous Key
...9511 p.p. GH!), which was actually L. maroccana and one from Middlesex County, MA (17 Jul 1924, Kidder s.n. AMES!), which was taken from a cultivated plant. Therefore,...