Erythronium helenae
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Erythronium helenae |
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| Erythronium helenae | ||||||||||||
| Applegate |
Erythronium helenae is a species of the tooth lily genus( Erythronium ).
features
The onions are 30 to 55 millimeters in size and egg-shaped. Sometimes they form firmly attached daughter onions. The leaves are 7 to 20 centimeters long. The leaf blade is broadly lanceolate to ovate and spotted with irregular brown and white stripes. The leaf margin is more or less wavy. The shaft is 12 to 30 centimeters long. The inflorescence is one to three-flowered.
The flowers are fragrant. The petals are 25 to 40 millimeters long and lanceolate to ovate. They are more or less white in color and bright yellow at their base. Over time, they will turn pale pink. The inner petals are eyelet at the base. The stamens are 8 to 13 millimeters long. The stamens are less than 0.8 millimeters wide, linear and more or less slender and yellow. The anthers are yellow. The styles are 5 to 8 millimeters long, more or less white and often inclined to one side, which causes a zygomorphism of the flower. The scar is unlapped or has lobes that are shorter than 1 millimeter. The capsules are 2 to 4 centimeters long and obovate.
The flowering time is in spring, from March to April.
The number of chromosomes is 2n = 24.
Occurrence
Erythronium helenae occurs in California in the vicinity of Mount Saint Helena . The species grows in dry forests and bushes on serpentine at altitudes of 500 to 1200 meters.
supporting documents
- Erythronium helenae in the Flora of North America (accessed October 31, 2010)
