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| Scientific | Lead Number | Lead Position | Lead Characteristics | Lead Characteristics with Glossary | Line result key id | Line result taxon id | result text |
|---|---|---|---|---|---|---|---|
Carex | Stigmas 2; achenes flat or biconvex in cross-section (lenticular) | ||||||
Carex | Stigmas 2; achenes flat or biconvex in cross-section (lenticular) | ||||||
Carex | Stigmas 2; achenes flat or biconvex in cross-section (lenticular) | ||||||
Carex | Stigmas 2; achenes flat or biconvex in cross-section (lenticular) | ||||||
Carex | Average perigynium width ≥ 1.3 mm; average spongy portion of the perigynium ≥ 1.1 mm long; perigynium base distinctly nerved, bulging on the ventral surface, making the perigynium biconvex in cross-section; perigynium 2-2.5× as long as wide; perigynium gradually narrowed to a short beak; leaves 1-3 mm wide | Average perigynium width ≥ 1.3 mm; average spongy portion of the perigynium ≥ 1.1 mm long; perigynium base distinctly nerved, bulging on the ventral surface, making the perigynium biconvex in cross-section; perigynium 2-2.5× as long as wide; perigynium gradually narrowed to a short beak; leaves 1-3 mm wide | |||||
Carex | Achene body (1.4-) 1.5-1.7 (-2.0) mm long, biconvex, trigonous, or both; fertile culms 7-17 cm tall, usually much shorter than the leaves; basal sheaths usually very fibrillose; pistillate scales (2.7-) 3.0-3.7 (-4.2) mm long | Achene body (1.4-) 1.5-1.7 (-2.0) mm long, biconvex, trigonous, or both; fertile culms 7-17 cm tall, usually much shorter than the leaves; basal sheaths usually very fibrillose; pistillate scales (2.7-) 3.0-3.7 (-4.2) mm long | |||||
Eleocharis | Culms transversely nodose-septate, these cross partitions complete and evident through the outside of culms (fresh culms appear ribbed); achenes biconvex; [subgenus Limnochloa, in part] | ||||||
Eleocharis | Culms transversely nodose-septate, these cross partitions complete and evident through the outside of culms (fresh culms appear ribbed); achenes biconvex; [subgenus Limnochloa, in part] | ||||||
Eleocharis | Culms not transversely nodose-septate OR if so, septae incomplete, internal, and not evident on the outside of fresh culms (only evident upon sectioning culm); achenes biconvex, terete, trigonous, or compressed-trigonous. | ||||||
Eleocharis | Spikelets distinctly long and cylindric (> 4× as long as wide); the width of the spikelets the same as the culm width, thus not conspicuously expanded from the culms below; the base of the spikelets narrowly cuneate; achenes biconvex; [subgenus Limnochloa , in part] | ||||||
Eleocharis | Spikelets distinctly long and cylindric (> 4× as long as wide); the width of the spikelets the same as the culm width, thus not conspicuously expanded from the culms below; the base of the spikelets narrowly cuneate; achenes biconvex; [subgenus Limnochloa , in part] | ||||||
Eleocharis | Spikelets typically ovoid, but also terete, lanceoloid, or ellipsoid and rarely cylindric (e.g. E. palustris), < 4× as long as wide; spikelets distinctly wider than the culms, thus obviously differentiated and expanded from the culms below; the base of the spikelets broadly cuneate, rounded, or truncate; achenes biconvex, terete, trigonous, or compressed-trigonous. | Spikelets typically ovoid, but also terete, lanceoloid, or ellipsoid and rarely cylindric (e.g. E. palustris), < 4× as long as wide; spikelets distinctly wider than the culms, thus obviously differentiated and expanded from the culms below; the base of the spikelets broadly cuneate, rounded, or truncate; achenes biconvex, terete, trigonous, or compressed-trigonous. | |||||
Eleocharis | Spikelets typically ovoid, but also terete, lanceoloid, or ellipsoid and rarely cylindric (e.g. E. palustris), < 4× as long as wide; spikelets distinctly wider than the culms, thus obviously differentiated and expanded from the culms below; the base of the spikelets broadly cuneate, rounded, or truncate; achenes biconvex, terete, trigonous, or compressed-trigonous. | Spikelets typically ovoid, but also terete, lanceoloid, or ellipsoid and rarely cylindric (e.g. E. palustris), < 4× as long as wide; spikelets distinctly wider than the culms, thus obviously differentiated and expanded from the culms below; the base of the spikelets broadly cuneate, rounded, or truncate; achenes biconvex, terete, trigonous, or compressed-trigonous. | |||||
Rhynchospora | Achene faces flat or concave; when one face is concave, the opposite face is sometimes slightly convex (slightly biconvex R. decurrens and R. microcarpa are keyed here for convenience). | ||||||
Rhynchospora | Achene 0.8-1.4 mm long, 0.7-1.2 mm wide, the faces slightly biconvex with 6-12 transverse ridges. | ||||||
Rhynchospora | Achenes biconvex or tumid. | ||||||
Schoenoplectiella | Achenes biconvex to obscurely trigonous, the faces convex | ||||||
Schoenoplectiella | Achenes biconvex, with a planar or concave area on the adaxial surface | ||||||
Schoenoplectiella | Achenes 1.75-2.0 mm long, unequally biconvex (rounded on both faces, but less so on one than the other), rounded-obovate, broadly cuneate at the base, rounded at the apex. | ||||||
Schoenoplectus | Spikelets 3-35; achenes 1.9-2.6 mm long, biconvex; styles 2-fid | ||||||
Schoenoplectus | Spikelets 3-35; achenes 1.9-2.6 mm long, biconvex; styles 2-fid | ||||||
Schoenoplectus | Spikelets 1-5 (-10); achenes (2.0-) 2.5-3.5 mm long, biconvex or trigonous; styles 2-3-fid. | ||||||
Schoenoplectus | Spikelets 1-5 (-10); achenes (2.0-) 2.5-3.5 mm long, biconvex or trigonous; styles 2-3-fid. | ||||||
Scirpus | Styles 2 (-3)-cleft; achenes biconvex with well-developed receptacles with persistent bristles; bristles 4 (-5); upper part of culm usually smooth; [from NJ, WV, and KY northward] | Styles 2 (-3)-cleft; achenes biconvex with well-developed receptacles with persistent bristles; bristles 4 (-5); upper part of culm usually smooth; [from NJ, WV, and KY northward] | |||||
Dichanthelium | Spikelets biconvex to elliptic when viewed laterally, variously shaped but not obpyriform when viewed dorsally; fertile lemma and palea smooth or reticulate (or papillose in D. lucidum with weak and sprawling culms and spikelets 1.7-2.3 mm long); first glume usually tapered from near base to apex; glume bases various | Spikelets biconvex to elliptic when viewed laterally, variously shaped but not obpyriform when viewed dorsally; fertile lemma and palea smooth or reticulate (or papillose in D. lucidum with weak and sprawling culms and spikelets 1.7-2.3 mm long); first glume usually tapered from near base to apex; glume bases various | |||||
Dichanthelium | Ligule 0.7-1.5 mm long; first glume acute; spikelets elliptic when viewed dorsally, biconvex or elliptic when viewed laterally, not strongly nerved | ||||||
Persicaria | Achenes biconvex; styles 2; leaf base cuneate; ocreae 12-23 mm long, glabrous and sometimes glandular punctate | ||||||
Persicaria | Bristles of ocreae 0.2-1.3 (-2) mm long; achenes biconvex or triangular in ×-section; styles 2-3. | ||||||
Persicaria | Achenes biconvex; styles 2 | ||||||
Persicaria | Achenes biconvex; lower leaf surface glandular-punctate | ||||||
Cyperus | Spikelets reduced, 1(-2)-flowered with 2-3 scales, flattened, ovoid or lanceoloid, mostly < 5 mm long; rays absent, spikes 1-4, very dense, ovoid to oblong; stigmas 2; achenes biconvex; [subgenus Kyllinga]. | ||||||
Cyperus | Achenes ovoid, ellipsoid, or obovoid, biconvex, apex rounded to acute; scales bicarinate medially; spikelets mostly > 2mm wide. | ||||||
Atriplex | Bracteoles short stipitate or sessile; bracteole margins entire to denticulate to laciniate; inflorescences with leafy bracts to the tip, glomerules loose, irregularly spaced; bracteoles thick spongy, margin united to middle; seeds 2.5+ mm wide, usually not distinctly dimorphic, dark brown to black, irregularly biconvex; radicle median, ± antrorse | Bracteoles short stipitate or sessile; bracteole margins entire to denticulate to laciniate; inflorescences with leafy bracts to the tip, glomerules loose, irregularly spaced; bracteoles thick spongy, margin united to middle; seeds 2.5+ mm wide, usually not distinctly dimorphic, dark brown to black, irregularly biconvex; radicle median, ± antrorse | |||||
Rhynchospora | Leaves to 5 mm wide; longer bristles > ½ as long to equaling achene; achene biconvex. | ||||||
Eleocharis | Achenes primarily lenticular or biconvex (therefore achene with only 2 prominent faces); styles mostly 2-branched (occasionally with some 3-branched). | Achenes primarily lenticular or biconvex (therefore achene with only 2 prominent faces); styles mostly 2-branched (occasionally with some 3-branched). | |||||
Eleocharis | Achenes primarily lenticular or biconvex (therefore achene with only 2 prominent faces); styles mostly 2-branched (occasionally with some 3-branched). | Achenes primarily lenticular or biconvex (therefore achene with only 2 prominent faces); styles mostly 2-branched (occasionally with some 3-branched). | |||||
Eleocharis | Spikelets with a single flower and 2 scales; achenes biconvex, with a beak, but lacking a tubercle (plants rarely reproductive) | ||||||
Eleocharis | Bristles 5-6, their length equaling the achene; achenes 0.6-0.8 mm long, occasionally some appearing biconvex; culms with internal septae (these only evident after sectioning the culm); spikelets lanceoloid, 2-2.5 mm wide | ||||||
Eleocharis | Bristles 5-6, their length equaling the achene; achenes 0.6-0.8 mm long, occasionally some appearing biconvex; culms with internal septae (these only evident after sectioning the culm); spikelets lanceoloid, 2-2.5 mm wide | ||||||
Eleocharis | Bristles absent, or if present, 1-4, rudimentary to shorter than achene length, colorless to white; achenes typically biconvex, but rarely trigonous; [GA and FL w. to MS] | ||||||
Schoenoplectus | Achenes biconvex (or rarely weakly trigonous), styles 2; spikelets 3-190, usually in clusters of 2-8 on pedicels, sometimes solitary, but never all solitary throughout inflorescence; bristles usually 6 (5-7), of equitant or differing lengths; scales usually with copious red-brown dots |
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