Anemone narcissiflora

Anemone narcissiflora
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Anemone
Species: A. narcissiflora
Binomial name
Anemone narcissiflora
L.

Anemone narcissiflora, the narcissus anemone[1] or narcissus-flowered anemone, is a herbaceous perennial in the genus Anemone and the buttercup family.

Description

Plants grow 7 to 60 cm (2 3⁄4 to 23 1⁄2 inches) tall, from a caudex (woody-like perennial base), flowering spring to mid summer but often found flowering till late summer. They have 3-10 basal leaves that are ternate (arranged with three leaflets), rounded to rounded triangular in shape with 4-to-20-millimetre (5⁄32-to-25⁄32-inch) long petioles.

The flowers are produced in clusters (umbels) with 2 to 8 flowers, but often appear singly. The inflorescence have 3 leaf-like bracts similar in appearance to the basal leaves but simple and greatly reduced in size, pinnatifid in shape. Flowers have no petals, but instead have 5-9 petal-like sepals that are white, blue-tinted white or yellow in color. The flowers usually have 40 to 80 stamens but can have up to 100.

After flowering, fruits are produced in rounded heads with 5–14-centimetre (2–5 1⁄2-inch) long pedicels. When the fruits, called achenes, are ripe they are ellipsoid to ovate in outline, flat in shape and 5 to 9 millimetres (3⁄16 to 11⁄32 in) long and 4–6 millimetres (5⁄32–1⁄4 in) wide. The achenes are winged with no hairs and have 0.8–1.5-millimetre (0.031–0.059-inch) long beaks that are curved or recurved.

Distribution

Anemone narcissiflora is native to north western North America and Eurasia where it can be found growing in high mountain alpine grasslands, in thickets, grassy meadows with moist soils, tundra, open woods, along roadsides and in pastures.

Varieties

This species is very variable and at least 12 varieties are generally recognized with even more proposed by other authorities. The name of the species has been in dispute and some have listed it as Anemone narcissifolia but Anemone narcissiflora was proposed for conservation.[2]

Three varieties are native to North America:

The others are from Eurasia.

Gallery

Flower
on July 27, 2002
on Mount Tsubakuro		 Leaf
on August 5, 2007
on Mount Kita		 Seed
on August 16, 2007
on Mt. Kita		 Natural garden
on July 27, 2002
on Mt. Tsubakuro

References

  1. ↑ "Anemone narcissiflora". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 28 September 2016.
  2. ↑ Dutton, Bryan E.; Keener, Carl S.; Ford, Bruce A. "Anemone narcissiflora". Flora of North America (FNA). Missouri Botanical Garden – via eFloras.org.

External links


This article is issued from Wikipedia - version of the 9/29/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.