Lilium washingtonianum

Lilium washingtonianum

Lilium washingtonianum is a species in the genus of lilies ( Lilium) in the American section.

Description

Lilium washingtonianum reaches a height between 100 and 200 cm. The bulbs are round and covered with white scales. They are unsegmented and form rhizomes, the onions are very sensitive after digging.

The stem is surrounded by a waxy, bluish substance that easy to rub off, she gives him a wintry appearance, such as by frost. The leaves are light green and lanceolate, about 0.9 to 4.7 cm wide and 3.7 to 12.3 cm long and arranged for one to eight whorls of three to sixteen leaves. They have a very sharp point and are traversed by veins.

The plant flowers from June to July with an up to thirty highly fragrant flowers that open before dusk. The hermaphrodite flowers are triple. The six arranged bloom ( tepals ) are easily rolled back. The color of the flower is pure white with dark purple dots, and darkens by age purple after. Each flower has three carpels and six stamens. The anthers and pollen are yellow, the filaments are green. The seeds mature in elongated 2.7 cm to 5.8 cm large seed capsules.

The seeds of Lilium washingtonianum germinates delayed - hypogeous.

Dissemination

Lilium washingtonianum is native to western North America, especially in the Sierra Nevada in the Cascade Range and around Mount Shasta.

Lilium preferred washingtonianum steep slopes in subalpine coniferous rich altitudes between 1000 and 2000 m above sea level.

System

In addition to the nominate subspecies, there is the:

  • Lilium washingtonianum ssp. purpurascens: flowers light lilac to lavender, onion often notched or segmented.

Use

Lilium washingtonianum var washingtonianum is rare because of the sensitive onions in culture, Lilium washingtonianum var purpurascens, however, is more frequent in culture.

Swell

512945
de