Baldellia
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Baldellia is a genus of aquatic plants commonly known as lesser water-plantains. Baldellia is very close to Echinodorus botanically and may be included in that genus after further investigations.
Description
Leaves aerial, elliptical to lanceolate or linear-lanceolate. Flowers hermaphrodite, in 1 - 3 whorls in umbels or racemes, or long-pedunculate in leaf-axils. Stamens 6. Carpels numerous, spirally arranged in a globose head, free, each with 1 ovule; styles apical. Fruitlets achenial, longitudinally 5-ribbed (3 dorsal ribs and 2 closely approximated ventral ribs), with a short, apical beak. 2n=16.
Variable in form according to ecological conditions.
Species
- Baldellia ranunculoides (L.) Parl.
- Baldellia alpestris (Cosson) Vasc.