Heart-leaved meadow parsnip articles

Comprehensive Description

provided by North American Flora

Zizia aptera (A. Gray) Fernald, Rhodora 41: 441. 1939
Zizia cordala Koch; DC. Prodr. 4: 100. 1830. Not Smyrnium cordatum Walt. 1788.
Thaspium trifoliatum var. apierutn A. Gray, Man. ed. 2. 156. 1856.
Carum cordatum Benth. & Hook.; Coult. & Rose, Rev. N. Am. Umbell. 127, as syn. 1888. Not
Smyrnium cordatum Walt. 1788. Zizia aptera var. occidentalis Fernald, Rhodora 41: 444. 1939.
Plants 3-6 cm. high; basal leaves cordate to oval, excluding the petioles 4—7 cm. long, 3-5 cm. broad, simple or occasionally ternate, crenate-dentate; petioles 5-12 cm. long; cauline leaves ternately divided, the divisions lanceolate, coarsely serrate and often lobed; peduncles 6-12 cm. long; involucel of a few inconspicuous, linear, acute bractlets 1-2 mm. long, shorter or longer than the pedicels; rays 12-16, spreading-ascending, unequal, 1-3 cm. long; pedicels 1-3 mm. long; fruit oblong to oval, 2-4 mm. long, 2 mm. broad, the ribs filiform; oil-tubes solitary in the intervals, 2 on the commissure; seed-face slightly concave. Type locality: New York and New Jersey, collector unknown.
Distribution: Eastern Canada to Georgia, west to British Columbia, Washington, western Oregon, and Utah (Grant 1392, Nelson 8800).

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bibliographic citation: Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY

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Zizia aptera

provided by wikipedia EN

Zizia aptera is a flowering plant native to North America. Its common names include meadow zizia, golden alexanders, heart leaved golden alexanders, and prairie golden alexanders.^[1]

Description

The leaves are 2.5–10 centimetres (1–4 inches) long, ovate and indented at the base, with jagged edges; the upper leaves are divided into three segments.^[2] Compound umbels of yellow flowers bloom atop the stems from May to July. The fruits are elliptical.^[2]

Distribution and habitat

Zizia aptera can be found throughout southern Canada and much of the continental United States, though it is absent in the Southwest, the southern Great Plains, and New England.^[3] It inhabits wet areas.^[2]

Conservation

Zizia aptera is listed as endangered in Connecticut,^[4] as rare in Indiana, as threatened in Michigan, and as "historical" (extirpated) in Rhode Island.^[1]

References

^ ^a ^b "Plants Profile for Zizia aptera (Meadow zizia)". plants.usda.gov. Retrieved 7 December 2017.
^ ^a ^b ^c Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. pp. 342–343. ISBN 978-0-375-40233-3.
^ "Zizia aptera". Global Biodiversity Information Facility. Retrieved 24 December 2022.
^ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 31 December 2017.(Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)

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Zizia aptera: Brief Summary