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Poaceae Group 10: Dichotomous Key
... 11a. Upper lemma transversely rugose; panicle branches spike-like, secund, with a triquetrous axis 11b. Upper lemma not transversely rugose (verrucose in Panicum verrucosu...
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Quercus palustris (pin oak)
...concealing 1/3 to 1/3 of the nut, and nut with 1 or more concentric rings of fine pits near the apex (vs. Q. palustris, with the terminal winter bud glabrous or with a few hairs near the apex, terete ...
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Ranunculus: Dichotomous Key
... 19a. Petals 7–12 mm long; achenes 1.8–2.2 mm long, the lower portion thickened and spongy; achene beak 1–1.8 mm long; styles 0.8–1.2 mm long (in part) 19b. Petals 3–7 mm long; ...
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Salix key for carpellate reproductive material: Dichotomous Key
...0.15 m in height, of alpine habitats, elevation exceeding 1000 m; stipes 0.3–1.6 mm long 24a. Styles 0.35–1 mm long; floral bracts 1.1–1.8 mm long; aments 11–47 mm long 24b. ...
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Scirpus: Dichotomous Key
... 10b. Spikelets mostly or entirely solitary, sessile or pedicellate; floral scales 1.4–1.8 mm long; achenes maturing in late June through July 11a. Involucels and base of involuc...
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Silene: Dichotomous Key
...veins, 12–18 mm long in fruit; filaments pale for much of their length, sometimes purple near the apex; seeds ± black, 1–1.5 mm long, finely tuberculate 10b. Calyx with 10 long veins and ...
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Quercus robur (English oak)
...+/- 1/4 of the nut (vs. Q. roburleaf blades cordate at the base, on petioles 4–8 mm long, nut on a peduncle mostly 35–65 mm long, and carpellate involucre concealing 1/3 to 1/2 or more of the nut).: ...
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Caryophyllaceae: Dichotomous Key
...(0.5–) 1–8 mm long; calyx 1–4 mm long, the lobes white-scarious at the margins 6b. Stipules with fringed margins [Fig. 561], 0.5–1 (–1.5) mm long; calyx 0.5–1.5 mm long, the lobes green ...
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Salix key for staminate reproductive material: Dichotomous Key
... 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 bracts 2–3 mm long; anthers 0.7...
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Question: I'm sorting through my field sampling photos from Maine and northern New …
...(1) Wild leeks, (2) Bluebead lily, and (3) Trout lily? I only have pictures to go on, and many of our sites (all swampy or wet) contain 1, 2 or all 3 species. Thanks so much for all the help; it'...