Page 89: 3,316 results for 2
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Geum: Dichotomous Key
...1–2 mm long, elevated above the persistent calyx; petals 1–2 mm long 3b. Epicalyx present; cluster of achenes sessile or nearly so with respect to the calyx; petals 2–10 mm long ...
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Ceratophyllum echinatum (spineless hornwort)
...or 2-times forked and achenes with only 2 basal spines (vs. C. echinatum, with leaves mostly 3-times or 4-times forked and achenes with 2 basal spines and 2-13 lateral spines).: Ceratophyl...
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Rosa cinnamomea (cinnamon rose)
...1–2 mm wide, the stigmas exserted 1–2 mm beyond it, leaflets pale green abaxially, and sepals pinnatifid (vs. R. cinnamomea, with the orifice of the hypanthium mostly 2–4 mm wide, the stigmas barely e...
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Eleocharis ovata (ovoid spikesedge)
...numbering 2–4, smooth, and shorter than the achene body, and tubercles 0.2-0.3 mm tall (vs. E. ovata, with perianth bristles present and numbering 5–7, retrorsely barbellate, exceeding the length of t...
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Taxus canadensis (American yew)
... 2. Taxus canadensis Marsh. N American yew. 2b. Taxus baccata L. var. minor Michx.; T. minor (Michx.) Britt. • CT, MA, ME, NH, RI, VT. Forests, predominantly deciduous and mixed evergreen-decidu...
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Cyperus: Dichotomous Key
... 21b. Stems smooth; floral scales blunt or with a minute mucro up to 0.2 mm long; achenes 1.4–2.2 mm long; basal spikelets of cluster horizontally spreading to reflexed [Fig. 107] ...
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Group 1: Lycophytes, Monilophytes: Dichotomous Key
...with 2–7 vascular bundles, when 2, united into 1 U-shaped bundle distally 20a. Plants pubescent with needle-like, unicellular, transparent hairs (scales may be present as well) ...
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Rumex: Dichotomous Key
...mostly 2.5–4 times as long as wide; achenes 2.5–3.5 mm long 12b. Inner tepals (2–) 2.5–3.5 (–3.8) × (2–) 2.5–3 (–3.5) mm, usually all 3 of them developing tubercles; leaf blades na...
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Schoenoplectus tabernaemontani (soft-stemmed club-bulrush)
...0.5–2 mm long (vs. S. tabernaemontani, with stems soft, with 2–4 aerenchymal lacunae in cross-section at 2/3 stem height, each lacuna 1–2.5 mm in diameter, spikelets mostly in glomerules of 2 or 3, an...
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Poaceae Group 7: Dichotomous Key
...[Figs. 202, 203]; palea 2-nerved, membranaceous, ½ to fully as long as the lemma; rachilla prolonged beyond the upper floret as a minute bristle 20a. Awn straight, inserted just b...