Erythronium umbilicatum
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Erythronium umbilicatum |
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| Scientific name | ||||||||||||
| Erythronium umbilicatum | ||||||||||||
| CR Parks & Hardin |
Erythronium umbilicatum is a species of the tooth lily genus( Erythronium ).
features
The onions are 10 to 25 millimeters in size and egg-shaped. Runners are missing or there is one per onion. The leaves are 5 to 17 inches long. The leaf blade is elliptical to ovate-lanceolate, more or less flat and green with irregular spots. The entire margin of the sheet. The shaft is 4 to 18 centimeters long. The inflorescence is single-flowered.
The petals are 13 to 30 millimeters long, lanceolate and yellow. There are sometimes brownish spots on the side facing the axis, the side facing away from the axis is colored brown-purple to different degrees. The petals are not eared. The stamens are 9 to 18 millimeters long. The stamens are yellow and lanceolate. The anthers and the pollen are colored brown-purple or less often yellow. The stylus are 8 to 24 millimeters long, more or less oblong and round and not yellow. The scar has 1.2 to 1.7 millimeters long, spreading lobes. The capsules are 10 to 22 millimeters long and egg-shaped.
The number of chromosomes is 2n = 24.
Systematics and occurrence
There are 2 subspecies :
- Erythronium umbilicatum subsp. umbilicatum does not form runners. The subspecies occurs from West Virginia to Alabama, Georgia, and northern Florida.
- Erythronium umbilicatum subsp. monostolum C.R. Parks & Hardin forms a runners per onion. It occurs in North Carolina and Tennessee.
supporting documents
- Erythronium umbilicatum in the Flora of North America (accessed November 3, 2010)