Page 57: 3,316 results for 2
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Ageratina: Dichotomous Key
...9–25 well-developed, pointed teeth per margin, 1.5–5 times as long as the petiole; petioles of principal leaves 20–80 mm long; roots 0.3–0.8 (–1) mm thick; capitula with (9–) 12–25 flowers ...
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Nasturtium: Dichotomous Key
...15–25 ×1–1.5 mm wide, terete in cross-section, with a slender, persistent style beak 0.5–2 mm long 1b. Seeds aligned in 2 rows in each locule, with 25–50 (–60) polygonal depression...
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Paronychia: Dichotomous Key
... 2a. Stems glabrous; calyx 1–1.5 mm long, the lobes terminated by an inconspicuous apiculus; mature fruit noticeably exceeding the calyx 2b. Stems puberulent; calyx 2–3 mm long, t...
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Lychnis: Dichotomous Key
...5–26 flowers 2a. Stems pubescent with long hairs, some hairs longer than 1.5 mm, with mostly 10–20 pairs of lanceolate to ovate leaf blades 20–60 mm wide; petals with 2 apical lobes ...
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Vaccinium: Dichotomous Key
...8–21 ×2–6 mm, narrow-elliptic (rarely elliptic); plants rarely reaching 9 cm tall; corolla 3–4 mm long; berries 3–5 mm in diameter 12b. Leaf blades (10–) 15–50 ×6–22 mm, nar...
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Rhododendron: Dichotomous Key
... 2a. Leaf blades lepidote, especially on the abaxial surface; ovary lepidote 3a. Leaf blades (6–) 10–15 (–20) mm long; corolla 10–20 mm wide; capsules 4–8 mm long; plants depresse...
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Hylodesmum: Dichotomous Key
...stipules 2–4 mm long, caducous; pedicels 10–20 mm long; stipe 10–18 mm long; terminal leaflet broad-elliptic to ovate or broad-ovate, mostly 2–6 cm wide 1b. Flowering stems with leaves, t...
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Castanea: Dichotomous Key
...subtending 2 or 3 nuts, with pubescent spine-like bracts; nuts mostly 20–30 mm wide; petioles 10–20 mm long 3b. Involucre subtending a solitary nut (rarely 2), with usually glabrous spine...
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Myriophyllum: Dichotomous Key
...fruits 2–2.5 mm long; turions present, formed in autumn 2b. Foliage leaves regularly whorled [Figs. 678, 680]; staminate flowers commonly with 8 stamens 1.2–2 mm long (only 4 stamens in ...
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Corydalis: Dichotomous Key
...1–1.5 (–2) mm long; sepals ca. 0.3 mm long 2b. Corolla bright yellow, 12–16 mm long; upper outer petal with merely a keel, lacking a toothed crest; spur 4–5 mm long; sepals 1–2 mm long ...