Page 38: 1,106 results for apex
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Avena strigosa (lopsided oat)
...the apex and inflorescence secund).: Avena sativa lemmas pubescent with appressed, brown hairs and spikelets usually with 3 florets (vs. A. strigosa, with lemmas scabr...
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Wolffia brasiliensis (Brazilian water-meal)
...each apex, lacking a central papilla, 1.3–2 times as long as wide (vs. W. brasiliensis, with thalli rounded at each apex, with a large, prominent papilla in the center of the upper surface, 1–1.5 time...
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Polypodium appalachianum (Appalachian polypody)
...at apex and leaf blade relatively oblong (vs. P. appalachianum, with leaflets usually pointed at apex and leaf blade relatively triangular).: Polypodium virginianum ...
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Polypodium virginianum (rock polypody)
...at apex and leaf blade relatively triangular (vs. P. virginianum, with leaflets usually rounded at apex and leaf blade relatively oblong).: Polypodium appalachianum ...
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Wolffia borealis (northern water-meal)
...each apex, with a large, prominent papilla in the center of the upper surface, 1–1.5 times as long as wide (vs. W. borealis, with thalli with a minute, upward-bent point at each apex, lacking a centra...
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Lemna minor (common duckweed)
...at apex, and thalli without anthocyanic pigment (vs. L. minor, with the root sheath not winged at base, roots to 15 cm long, frequently longer than 3.5 cm, rounded at apex, and thalli often with at le...
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Leptochloa panicea (needle sprangletop)
...at apex and becoming lacerate at maturity, and spikelets 5–12 mm long (vs. L. panacea, with leaf sheaths sparsely to densely pubescent with pustulose-based hairs, ligule 0.6–3.2 mm long, truncate at a...
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Schizachyrium littorale (dune bluestem)
...and apex of leaf sheath with an inconspicuous and short constriction proximal to the leaf blade (vs. S. littorale, with reproductive stems decumbent and rooting at nodes in contact with soil and apex ...
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Sporobolus heterolepis (prairie dropseed)
...and apex of leaf sheath with a conspicuous tuft of hairs (vs. S. heterolepis, with spikelets 3-6 mm long, anthers 1.7-3 mm long, and apex of leaf sheath without a conspicuous tuft of hairs).: ...
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Adiantum viridimontanum (Green Mountain maidenhair fern)
...the apex, in plane with the blade axis and plants of rich soils (vs. A. viridimontanum, with ultimate leaf segments +/- triangular, acute to obtuse at the apex, often twisted out of plane with the bla...