Page 21: 1,106 results for apex
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Cystopteris: Dichotomous Key
...the apex of the rhizome; rhizome pubescent, especially toward apex, with yellow hairs; leafules, especially those of the basal medial portion of the blade, borne on evident stalks; petiole green to st...
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Sisyrinchium: Dichotomous Key
...the apex of the stem; stems appearing unbranched [Fig. 139] 3a. Stems 0.9–1.5 (–2) mm wide, with scarcely discernible wing margins; spathes usually suffused with purple; pedicels usually ...
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Puccinellia: Dichotomous Key
...the apex, the midrib evanescent, usually not reaching the tip; anthers 0.7–1.5 mm long 3a. Branches of the panicle usually smooth or only slightly scabrous; distal margin of the lemma ent...
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Sporobolus: Dichotomous Key
...long; apex of leaf sheath with a conspicuous tuft of hairs 4a. Panicle dense and contracted throughout flowering and fruiting, 2–8 (–10) mm wide [Fig. 277]; branches of panicle bearing sp...
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Salicornia: Dichotomous Key
...scale apex acute to acuminate, with a prominent mucro; inflorescence 4.5–6.2 mm thick, notably wider than the stem; flowers all concealed by bracts 2b. Leaf and scale apex rounded to acut...
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Ipomoea: Dichotomous Key
...the apex, often abrubtly so, hirsute-ciliate along the margin 7b. Corolla white with a red to purple center, 50–80 mm long; sepals 13–20 mm long, obtuse or rounded at the apex, eciliate ...
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Potentilla: Dichotomous Key
...the apex (usually erect to ascending and not rooting in P. erecta); style slender, not thickened near the middle or base (conical at base and thickned near apex in P. erecta and P...
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Cystopteris protrusa (southern fragile fern)
...rhizome apex, rhizome lacking hairs, and leafules varying from sessile to short-stalked(vs. C. protrusa, with leaves clustered 1–4 cm behind the apex of the rhizome, rhizome pubescent, especially towa...
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Asteraceae Group 4: Dichotomous Key
...the apex, densely ciliate along the margins, with a thumbnail to rhombic shaped chlorophyllous zone at the tip [Fig. 407]; capitulescence corymb-like; pappus bristles sometimes thickened at the apex; ...
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Salix key for mature vegetative material: Dichotomous Key
...thin apex; branchlets flexible at base, tearing when bent to failure 26b. Winter buds blunt at apex, the margins connate; leaf blades gradually tapering to the apex; branchlets brittle at...