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Pair of orange alonsoa acutifolia flowers with flared upper petals, deep red inner throats, and protruding curved yellow stamens above hairy green sepals
Alonsoa acutifolia

Native to the humid montane forests of Colombia, Ecuador, and Peru, particularly along the eastern slopes of the Andes between approximately 6,000 and 10,000 feet in elevation, this upright perennial herb typically grows in cloud forest margins, disturbed clearings, and roadsides where moisture levels remain high throughout the year. It produces zygomorphic flowers with five rounded lobes and a short corolla tube that flares into a loose, open-faced shape, typically arranged in terminal or axillary racemes. The flowers are most often orange or red-orange, with occasional populations displaying pale yellow to white variations; the two upper lobes curve upward while the three lower lobes point forward or downward, forming a loose symmetry that facilitates access by specialized pollinators. In its native range, it blooms during the rainy season and is pollinated primarily by long-tongued bees and possibly hummingbirds. Photographed in the north-eastern Andes of Ecuador.

Blooming alonsoa acutifolia spike with multiple white flowers, their curved petals framing red throats and yellow stamens
Close-up of two orange alonsoa acutifolia flowers showing prominent yellow stamens emerging from deep red throats on a spiked stem
Prominent alonsoa acutifolia flowers with crisp white petals, bold red patches near the center, and bright yellow curved stamens
Orange alonsoa acutifolia flowers in full bloom with rounded upper petals and yellow stamens protruding from deep red centers
Cluster of alonsoa acutifolia flowers with white upper petals, curved yellow stamens, and red markings, arranged along a vertical green stalk
Flower spike of alonsoa acutifolia with alternating white blossoms and yellow stamens, growing upright in dense vegetation
Close-up of delicate alonsoa acutifolia white flowers with protruding yellow stamens and maroon markings, clustered along a tall green stalk
Several white alonsoa acutifolia blossoms growing in vertical alignment, each displaying yellow anthers and red central markings
Dense flowering growth of alonsoa acutifolia with clusters of orange blooms rising above dark green serrated foliage in a wild Andean setting
Wild patch of alonsoa acutifolia covered in small orange flowers, growing among grasses and lupines in a natural highland environment
Compact alonsoa acutifolia plant heavily covered with small white blooms, forming a dense flowering mound amid surrounding vegetation
Numerous alonsoa acutifolia stems filled with orange flowers growing in a dense, mixed-species vegetation zone beside broadleaf plants and grasses.

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