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Deschampsia: Dichotomous Key
...(2–) 5–10 (–12) mm long; panicles 15–45 cm tall 4b. Stems 7–75 cm tall, 1–2.5 mm thick near the base; lower stem leaves 1–8 cm long, with ligules (2–) 3–4 (–7) mm long; panicles 2–22 cm t...
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Lolium: Dichotomous Key
...with 2- to 10-flowered spikelets 1b. Glume 3.5–15 mm long, the body 0.25–0.75 times as tall as the column of florets [Fig. 239]; plants annual or perennial, with (2–) 5- to 22-flowered sp...
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Tagetes: Dichotomous Key
...7–12 mm tall, composed of 3–5 involucral bracts; capitula with (1–) 3 ray flowers, the rays 1–2 mm long; disk corollas 3–4 mm long; cypsela body 4.5–7 mm long; pappus of 1 or 2 acuminate scales 2–3 mm...
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Section Hymenochlaenae: Dichotomous Key
...8–25 ×4–5 mm; perigynia with 2 prominent lateral veins and 5–7 additional, finer veins 7b. Leaf blades glabrous; carpellate spikes 25–80 ×2–3 mm; perigynia with 2 prominent ...
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Amaranthus: Dichotomous Key
...(2001a, 2001b), Mosyakin and Robertson (2003). 1a. Plants bearing 2 rigid, sharp-pointed spines (2–) 5–11 (–25) mm long at most nodes; terminal spike with staminate flowers in apical p...
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Poaceae Group 3: Dichotomous Key
... 2a. Rachilla long-pubescent, the longer hairs (2–) 3–7 mm long; ligule of upper stem leaves 5–8 mm long 2b. Rachilla glabrous or pubescent with hairs up to 2 mm long; ligule of u...
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Allium: Dichotomous Key
...Pedicels 2–6 mm long, shorter than to nearly equaling the flowers; scapes 3–5 mm in diameter; bulbs 1.5–2 cm in diameter; flowers 8–12 mm long; leaf blades terete in cross-section, 2–7 mm wide ...
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Poaceae: Dichotomous Key
...[Figs. 204, 279] 1b. Spikelets not spiny, although pubescence or bristles may be present [Figs. 181, 227, 269] 2a. Spikelets with 2 or more evident florets [Figs. 232, 238, 2...
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Section Stellulatae: Dichotomous Key
...(2002b). 1a. Spikes usually 1 per stem; anthers (2–) 2.2–3.6 mm long; leaf blades involute 1b. Spikes 2 or more per stem; anthers 0.6–2.2 (–2.3) mm long; leaf blades flat ...
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Question: Might this be Carex bullata? From extreme N Maine, in shallow water …
...proximal 2) and 2-3 staminate spikes at apex of infl. Perigynia 5.8 x 2 mm, beak teeth 0.6 mm, beak and teeth not scabrous. Scale 4.9 x 1.4 mm, not ciliate, no scabrous awn, but long acuminate. Carpel...