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Cleomaceae: Dichotomous Key
...(6–) 10–27 stamens; fruit elevated on a gynophore 0–2 (–6) mm long 1b. Petals entire at the apex; flowers with 6 stamens; fruit elevated on a gynophore 1–80 (–152) mm long 2a...
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Convolvulaceae: Dichotomous Key
... 1a. Plants parasitic, with haustoria, lacking chlorophyll; stems pink-yellow to orange, with scale-like leaves; corolla 1.5–5 mm long [Figs. 589, 590, 591] 1b. Plants autotrophic...
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Ruscaceae: Dichotomous Key
...tube, 10–22 mm long; inflorescence of axillary flowers or 1- to 10 (–15)-flowered racemes; berry dark blue to black; rhizome thick and knotty, mostly 10–30 mm thick [Fig. 303] 2b. Tepals ...
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Sapindaceae: Dichotomous Key
...7–15 leaflets; petals yellow 1b. Leaves opposite, simple [Figs. 900, 901], palmately compound, or pinnately compound in 1 species; fruit a samara-like schizocarp or a 1- to 3-locular, non...
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Section Deweyanae: Dichotomous Key
... 1a. Perigynia 0.8–1.3 mm wide, (3.5–) 4–6.1 (–6.6) times as long as wide, with 4–8 usually prominent veins adaxially; leaf blades 1.3–3.1 mm wide 1b. Perigynia 1.3–1.5 (–1.6) mm ...
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Miscanthus: Dichotomous Key
... 1a. Awn of lemma elongate, 6–12 mm long, geniculate at base, conspicuously surpassing glumes; callus of lemma pubescent with hairs 3.5–12 mm long, up to twice as long as the associated spike...
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Maianthemum: Dichotomous Key
...8–14 mm thick 2b. Inflorescence a raceme [Fig. 302]; tepals 2.5–6 mm long, longer than the stamens; rhizome 1–4.5 mm thick 3a. Leaves 7–11 per stem, the blades sessile and so...
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Smilax: Dichotomous Key
...Jun 1882, Leland s.n. ( NEBC!). Reference: Holmes (2002). 1a. Plants vines (i.e., stems herbaceous), without prickles [Fig. 305]; ovules 2 (rarely 1) per locule ...
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Salsola: Dichotomous Key
... 1a. Leaf blades linear, fleshy in life, 1–2 mm wide in drying, gradually narrowed to a firm, spine tip 0.5–1.5 mm long; plants of Atlantic coast shores 1b. Leaf blades narrow-lin...
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Hypochaeris: Dichotomous Key
...6–8.5 (–13.5) mm long; plants annual from a taproot 1b. Leaf blades hispid; involucre 10–15 mm tall during anthesis (elongating to 25 mm in fruit); rays evident, exceeding the involucre ...