Araliaceae Key & Chart

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Araliaceae (Ginseng Family) Key Key to species in Newfoundland and Labrador © Flora of Newfoundland and Labrador (2019) 1a. Leaves small and simple, blade orbicular; flowers in small axillary umbels; fruit dry, small, flat, and rounded, 1.5–2 mm wide. .................................................. Hydrocotyle americana 1b. Leaves large and compound, flowers in rounded umbels, fruit a dark blue to purplish- black drupe, 4–8 mm in diameter (Aralia). .......................................................................... 2 2a. Acaulescent or with a very short stem barely rising above the ground, at most 2 cm long; giving rise to a single large ternately-compound leaf on an erect petiole; flowers unisexual, the scape dividing into 2–7 (often 3) rays, each bearing a single umbel. ................................................................................................. Aralia nudicaulis 2b. Stems erect, woody, bristly at the base, erect, 2–9 dm tall; plant with several alternate bipinnately-compound leaves; flowers in a terminal many-branched inflorescence, each branch bearing a simple umbel. .............................Aralia hispida Araliaceae Comparison Chart Species: Aralia Aralia Hydrocotyle nudicaulis hispida americana wild sarsaparilla bristly sarsaparilla water pennywort acaulescent or nearly so, erect, woody bristly at the stolons long-creeping, stem at most 2 cm tall, arising stems filiform, Stems base, 2–9 dm tall from branches rhizomes herbaceous, to 5 cm tall basal, 1, ternately compound; alternate, several, alternate, several, Leaves lateral leaflets asymmetric at bipinnately compound; simple; blade orbicular the base; petiole glabrous leaflets elliptic, lanceolate, with a deeply cordate to oblong; petiole bristly base a single scape, branched a terminal, many-branched small, sessile, axillary Flowers above, with 2–7 (usually 3) inflorescence, each branch umbels; flowers 5- rays, each bearing a simple bearing a simple umbel; merous umbel; flowers 5-merous flowers 5-merous dry, flat, rounded, fleshy, dark blue to purplish-black drupes; schizocarps, spitting Fruit each ending in 5 persistent styles into 2 one-seeded mericarps; styles 2 .

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