Page 73: 3,316 results for 2
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Spartina: Dichotomous Key
...[Fig. 273] 3b. Upper glumes unawned or with awns up to 2 mm long [Fig. 272], the lateral veins usually hispid; lower glume ½ to ⅔ as long as adjacent lemma [Fig. 272] ...
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Xyris: Dichotomous Key
... 2a. Sheaths minutely papillose; leaves 0.8–2 (–3) mm wide; floral scales 3–4 (–4.5) mm long, erose or minutely fimbriate along the margins, lacking a well-defined, green central region; later...
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Aralia: Dichotomous Key
... 2b. Plants herbaceous, up to 2 m tall, unarmed or armed with slender bristles near the base of the plant; styles connate about half their length 4a. Inflorescence composed of a f...
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Osmorhiza: Dichotomous Key
...352]; flowers all bisexual 2a. Schizocarp 12–22 mm long, concavely tapered to the apex and forming a terminal beak 1–2 mm long [Fig. 352]; branches of inflorescence and pedicels ascending...
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Asteraceae Group 1: Dichotomous Key
...472] 8b. Cypsela without sharp projections, with or without an apical beak [Figs. 422, 423] 9a. Flowers pink, purple, white, yellow-white, or green-white; capitula with 5–16 ...
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Vernonia: Dichotomous Key
...Group 2 > Vernonia. Vernonia. Reference: Strother (2006g). 1a. Involucral bracts apically prolonged into a filiform tip 2–8 mm long [Fig. 476] 2a...
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Petasites: Dichotomous Key
... 2b. Disk corollas largely purple; bracts of scape usually purple or purple-tinged, the one subtending the lowermost branch of the capitulescence 5–16 mm wide; leaf blades with 2–5 pairs of la...
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Eutrochium: Dichotomous Key
...Group 2 > Eutrochium. Eutrochium. Reference: Lamont (2006). 1a. Capitula with (8–) 9–22 flowers; capitulescence or its divisions flat-topped [Fig. 411]; stem...
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Barbarea: Dichotomous Key
...(1.5–) 2–3 mm wide; siliques (25–) 31–40 (–45) mm long; pedicels 3–7 mm long in fruit; upper leaf blades usually coarsely toothed to pinnately lobed 3b. Petals 0.5–1 (–1.2) mm wide; siliq...
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Sisymbrium: Dichotomous Key
...3–20 mm long [Fig. 528]; siliques linear-cylindric, (20–) 30–100 (–130) mm long [Fig. 528]; petals 6–10 mm long (only 2.5–4 mm in S. irio) 2a. Fruiting pedicels nearly as thick as ...