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Dichanthelium: Dichotomous Key
...1.3–2.1 mm long; sheaths glabrous or with hairs usually shorter than 2 (–3) mm 14b. Spikelets 2.1–2.6 mm long; sheaths pubescent with hairs 2–4 mm long 12b. Ligule nearly abs...
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Geranium: Dichotomous Key
... 2a. Petals 12–20 mm long [Fig. 673]; anthers 2–2.6 mm long; style beaks 4–8 mm long; plants perennial from a stout rhizome 3a. Each cymule of the inflorescence usually 1-flowered...
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Hypericum: Dichotomous Key
...petals 25–30 mm long 5b. Flowers with 3 (–4) styles; capsules 1- or 3-locular (rarely 4-locular), 2–7 mm tall; petals 2–12 mm long 6a. Styles connate or closely connivent, pe...
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Bidens: Dichotomous Key
...of 2 setose, very stout awns or awn-scales (rarely absent) 5b. Cypsela body obovate to elliptic-obovate, 1.5–2 (–2.5) times as long as wide, 2.5–5.2 mm wide, with a thin, antrorsely cili...
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Erodium: Dichotomous Key
...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 bodies 8–9 mm long (in part) 3b. Apical pits of mericarp...
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Section Cyperoideae: Dichotomous Key
...1.2–2.9 mm wide; achene 0.7–1.1 mm wide; inflorescence congested to open, the lowest internode 2–18 mm long 12a. Perigynia 1.2–2.1 mm wide, 2.6 or more times as long as wide; leaf sheaths...
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Question: I'm sorting through my field sampling photos from Maine and northern New …
...(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's much appreciat...
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Question: I need you help identifying a plant that looks like berberis, except …
...usually 2-lobed with each lobe 2- or 3-toothed near the apex, 3–4 mm long; corolla lobes subglabrous, the lobes obviously shorter than the basal, connate portion; leaf blades 20–30 × 3–6 . . . . . . ...
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Question: Hi there... I have an ornamental tree that I cannot identify... over …
...picture 2)... as opposed to the lower part which is lighter in color and has no cones... in addition, the lower part has a hole and looks like it is losing leaves or dying (picture 3).. my questions...
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Question: Hi, I'm Alex from Auburn NH. This plant showed up late June …
...I'm Alex from Auburn NH. This plant showed up late June and I left it to see what it would become. It is now 46" high, spreads about 45" wide. The broadest leaf is 2 3/4" wide and ...