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Euonymus
See list of 5 species in this genus-
1a. Petioles 1–3 (–5) mm long; capsules divided to near base into 4 almost separate sections (often 1 or more of these sections abortive); branchlets with (2–) 4 conspicuous corky wings [Fig. 582]; leaf blades turning bright red in autumn prior to dropping from plant
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1b. Petioles 5–20 mm long; capsules 4-lobed; branchlets without corky wings, though sometimes with low ridges on the angles (branchlets occasionally with corky wings in E. phellomanus); leaf blades either remaining green or turning yellow-green to yellow or dull red-purple in autumn prior to dropping from plant
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2a. Plants usually climbing by means of aerial roots (rare forms merely spreading and lacking aerial roots); leaves evergreen; branchlets subterete; capsule pink to nearly white
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2b. Plants upright shrubs; leaves deciduous; branchlets 4-angled or 4-winged; capsule purple or red to pink
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3a. Petals brown-purple; anthers purple; cymes with usually 7–15 flowers; capsule purple; leaf blades pubescent on the abaxial surface with erect hairs up to ca. 0.2 mm long
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3b. Petals green-white; anthers yellow; cymes with usually 2–7 flowers; capsule red to pink; leaf blades glabrous or essentially so on the abaxial surface
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4a. Seeds white with an orange aril; cyme usually with 2–5 flowers, borne on a peduncle 20–35 mm long; branchlets lacking prominent corky wings
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4b. Seeds dark brown with a red aril; cyme usually with 7 flowers, borne on a peduncle 5–10 mm long; branchlets sometimes with prominent corky wings [Fig. 582]
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Each photo represents one species in this genus.