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Mucronea
Mucronea is a genus of plants in the family Polygonaceae with two species restricted to California. Known generally as spineflowers, they are closely related to genus ''Chorizanthe''. They are annual herbs producing slender, erect, glandular stems from taproots. The leaves are located in a rosette around the base of the stem and wither quickly. The inflorescence is an open array of flowers, each blooming in an involucre of spiny bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...s lined with awn-tipped teeth. The six-lobed flowers are white to pink. Species * '' Mucronea californica'' ''–'' California spineflower * '' Mucronea perfoliata'' ''–'' Perfoliate spineflower References External links * Jepson Manual TreatmentUSDA Plants Profile Polygonaceae genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mucronea Californica
''Mucronea californica'' is a rare species of annual plant in the family Polygonaceae known by the common names California spineflower or California mucronea. An ephemeral plant found growing in the sandy microhabitats of coastal sage scrub, chaparral and dunes, this plant is threatened by the urbanization and development of its viable habitat and has been locally Local extinction, extirpated over much of its range. It has small, white to pink flowers that top inflorescences spined with Awn (botany), awns. Description An ephemeral annual plant, this species grows narrow leaves from a Rosette (botany), rosette, and develops a spiny, awn-covered inflorescence with white to pink flowers on the top. Morphology This species grows by in diameter. The leaves form a basal rosette, attached to the plant via a Petiole (botany), petiole long. The leaves are Glossary of leaf morphology, shaped narrowly spatulate to obovate, measuring long by . The inflorescence is cyme-like. There ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
