Long-Stamen Coneflower
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Long-Stamen Coneflower
P Native Photo: Thingnam Sophia
Common name: Long-Stamen Coneflower
Botanical name: Strobilanthes affinis    Family: Acanthaceae (Acanthus family)
Synonyms: Strobilanthes acrocephala, Strobilanthes darrisii, Strobilanthes thirionnii

Long-Stamen Coneflower is a perennial herb, 50-82.5 cm tall with many branches. Flowers are violet or bluish-violet, 1.9-2.3 cm long, 1.2 x 1.2-2.0 x 1.8 cm wide. Floral bracts are overlapping with large-celled trichomes. Prominent feature of the flowers is 4 long protruding stamens, 5.0-2.2 mm. Flowers are borne in leaf-axils or at branch-ends, in clusters 3.0-7.5 cm. Each inflorescence has two flowers that have bloomed, after drying another couple of flowers bloom. Stems are four-edged, white velvet-hairy. Leaves are ovate-elliptic, 7-5 x 4-3 cm to 9-0 x 6-3 cm. Leaves are simple, leaf-stalk quite long, 3.5-4.3 cm. Fruits capsules are velvet-hairy, four seeded, 4.0-7.0 mm. Seeds are brown ovate. Long-Stamen Coneflower is native to China and NE India, particularly Manipur, Meghalaya, Mizoram, at altitudes of 600-1300 m. Flowering: August-March.

Identification credit: John Wood Photographed near Imphal, Manipur.

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