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Lythraceae: Dichotomous Key
... 2a. Corolla zygomorphic; hypanthium swollen or spurred near the base on one side; flowers with (6–) 11 or 12 (–14) stamens 2b. Corolla actinomorphic; hypanthium neither asymmetri...
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Cornaceae: Dichotomous Key
...Xiang 2001, Xiang et al. 2006). Further supporting the recognition of these groups are patterns of hybridization (interspecific hybrids are restricted to within the genera recognized here). Three of t...
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Section Paniceae: Dichotomous Key
...1.2–1.6 (–1.8) mm wide; ligules of leaves (0.6–) 1–6 mm long, (0.8–) 1–2 times as long as wide; leaf blades green; carpellate spikes 3–5.8 mm thick 4b. Achenes 1.7–2.2 (–2.5) mm wide; lig...
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Salicornia: Dichotomous Key
...the 2 lateral flowers [Fig. 340] 2a. Leaf and 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 ...
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Ilex: Dichotomous Key
... 2a. Leaf blades thick, coriaceous, evergreen 3a. Leaf blades with a spine-tip and often with 2 or more remote, spine-tipped teeth per margin, (30–) 50–100 mm long; carpellate flo...
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Taraxacum: Dichotomous Key
... 2b. Outer involucral bracts becoming reflexed [Fig. 471]; plants (1–) 5–75 cm tall; involucres excluding the outer calyculus (13–) 14–25 mm tall 3a. Cypsela with a body (2–) 2.5–...
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Swida: Dichotomous Key
...3–15 (–25) mm long; endocarp not pitted; branchlets without above-mentioned fungal infection 2a. Drupes black or green at maturity; style conspicuously widened in the apical portion; infr...
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Sedum: Dichotomous Key
...Ohba 2009). Recognized here apart from the broadly defined Sedum are Aizopsis, Hylotelephium, Phedimus, and Rhodiola. Reference: Ohba (2009). ...
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Lamium: Dichotomous Key
... 2b. Corolla 10–20 (–25) mm long, with an upper lip 3–5 mm long, the basal, connate portion straight; plants annual, without rhizomes 4a. Upper leaves and bracts sessile and clasp...
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Euphrasia: Dichotomous Key
...752]; corolla 5–8 mm long 2a. Bracts erect to ascending, cuneate at the base, with ascending teeth [Fig. 752] 2b. Bracts ascending to spreading, rounded to truncate at the ba...