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Rumex verticillatus (swamp dock)
...long, 1–2.5 times as long as associated inner tepals, articulated in the proximal 1/3, and tubercle not extending below base of perianth (vs. R. verticillatus, with pedicels 10–17 mm long, 3–5 times a...
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Festuca ovina (sheep fescue)
... 1.0 NA–1.0 NA. Lemma tip shape: the lemma tip tapers to a long narrow point (it may or may not also have an awn or teeth at the tip)....
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Sparganium natans (arctic bur-reed)
...4–10 or more staminate spikes, fruiting spikes 15–25 mm in diameter, and beak of achene 3–5 mm long (vs. S. natans, with flowering stems with 1 staminate spike, fruiting spikes 5–12 mm in diameter, an...
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Group 5: Woody angiosperms with alternate leaves: Dichotomous Key
... 11a. Leaflets entire except for 1 or more coarse teeth near the base; fruit a samara 11b. Leaflets toothed to lobed; fruit not a samara 12a. Ultimate unit of the in...
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Symphyotrichum: Dichotomous Key
... 10a. Involucral bracts stipitate-glandular [Fig. 465] 11a. Capitula with 45–100 ray flowers, red-purple; stem leaves abundant and crowded 11b. Capitula with 15–30 ra...
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Suaeda maritima (herbaceous sea-blite)
...beaches.1a. Utricle 1.5–2 mm long; plants prostrate to erect; leaf blades 10–30 (–50) mm long … 3a. S. maritima ssp. maritima1b. Utricle 1–1.5 mm long; plants prostrate an...
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Section Cyperoideae: Dichotomous Key
... 11b. Perigynia bodies lanceolate to ovate, obovate, or nearly orbicular, 1.2–2.9 mm wide; achene 0.7–1.1 mm wide; inflorescence congested to open, the lowest internode 2–18 mm long ...
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Scirpus atrovirens (dark-green bulrush)
...0.8-1.1 mm long, with perianth bristles that are shorter than to as long as the fruit (vs. S. atrovirens, with fruits 1.1-1.3 mm long with perianth bristles longer than the fruits).: Scirp...
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Scirpus georgianus (Georgia bulrush)
... 1.0 mm–1.8 mm. Locules in capsule: NA. Auricle texture: NA. ...
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Kerria japonica (Japanese-rose)
...mm–100.0 mm. Twig winter color: yellow. Number of pistils: 1. Leaf stalk: ...