Erythronium propullans
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Erythronium propullans |
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| A.Gray |
Erythronium propullans is a species of tooth lily ( Erythronium ).
features
The onions are 10 to 25 millimeters in size and egg-shaped. The leaves are 4 to 13 inches long. The leaf blade is green, irregularly marbled, frosted, more or less flat, with entire margins and elliptical-lanceolate to ovate-lanceolate or elliptical. The shaft is 3.9 to 12 inches long. The inflorescence is single-flowered.
The four to six petals are 8 to 15 millimeters in size, lanceolate and strongly bent back during flowering. They are pale pink to white in color; further away from the flower axis they are darker. There are no auricles. The two to six stamens are 6 to 8 millimeters in size. The stamens are lanceolate and white. The anthers are yellow. The pollen is yellow. The stylus are 6 to 10 millimeters in size and white. The scar is more or less unlapped. Capsule fruits are very rarely formed. If capsules are present, they are mostly due to hybridization with Erythronium albidum .
The species often has fewer than six petals and stamens, sometimes only two carpels can be found.
The flowering time is in spring, shortly after the snow has melted, from June to August.
The number of chromosomes is 2n = approx. 44.
Occurrence
Erythronium propullans in Minnesota in the counties of Goodhue and Rice endemic . The species grows in moderately nutrient-rich riparian forests at altitudes of 300 meters. Erythronium propullans occurs together with Erythronium albidum , there are also reports of putative hybrids between the two species.
supporting documents
- Erythronium propullans in the Flora of North America (accessed October 31, 2010)
