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The stem is woody with several branches. The leaves are a few centimeters long and are divided into 3 to 7 narrow leaflets. The inflorescence atop each stem branch is a spike up to 7 cm (2 + 3 ⁄ 4 in) long containing many purple flowers. The fruit is a legume pod containing 1 or 2 seeds. [8] The Latin specific epithet purpurea means purple. [10]
The leaves are broad and oblong-lanceolate, forming a rosette about the base of the plant and surrounding the flower spike. They are fleshy and bright green, and can be up to 15 cm long. The inflorescence is densely covered with up to 50 flowers. The sepals and upper petals are violaceous or purple (hence the Latin name purpurea of the
Agastache derives from the Ancient Greek words ἄγαν (ágan) "very much" and στάχυς (stákhus) "ear of grain", [5] describing the flower spikes. [6] The genus was established in 1762 by Jan Frederik Gronovius in the second edition of his controversial Flora Virginica, based on the specimens and notes of John Clayton.
The feathery, freely hanging roots are purple-black. An erect stalk supports a single spike of 8–15 conspicuously attractive flowers , mostly lavender to pink in colour with six petals. When not in bloom, water hyacinth may be mistaken for frogbit ( Limnobium spongia [ 5 ] ) or Amazon frogbit ( Limnobium laevigatum ).
The family Poaceae has a peculiar inflorescence of small spikes organised in panicles or spikes that are usually simply and improperly referred to as spike and panicle. The genus Ficus ( Moraceae ) has an inflorescence called a hypanthodium, which bears numerous flowers on the inside of a convex or involuted compound receptacle. [ 11 ]
The Vermont Agency of Agriculture is warning communities about eight new invasive species they have identified throughout the state. The plant species − kudzu, mile-a-minute, Japanese stiltgrass ...
Yucca is a genus of perennial shrubs and trees in the family Asparagaceae, subfamily Agavoideae. [2] Its 40–50 species are notable for their rosettes of evergreen, tough, sword-shaped leaves and large terminal panicles of white or whitish flowers.
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