Pyramidal Loosestrife
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Pyramidal Loosestrife
ative Photo: Thingnam Girija
Common name: Pyramidal Loosestrife
Botanical name: Lysimachia pyramidalis    Family: Primulaceae (Primrose family)
Synonyms: Anagallis multangularis, Lysimachia heterophylla

Pyramidal Loosestrife is a hairless, erect, branched plant up to 35 cm tall. Stem is somewhat angular. Leaves are linear-lanceshaped, 3-8 cm long, 3-6 mm broad, upper alternate, lower opposite, margin crisp, under surface black dotted, midrib prominent, impressed above. Leaf-stalk is indistinct. Flowers are borne in lax leafy racemes, pink to white. Lowermost bracts are 2.3-4 cm long, solitary, upper ones smaller. Flower stalks are 3-5 mm long, up to 1 cm in fruit. Sepal-cup is 4.5-5.5 mm long, sepals 3.5-4.5 mm long, lanceshaped, glandular streaked. Flowers are bellshaped. Filaments are shorter than the petals, about 1.5 mm long. Anthers are oblong-ovate. Ovary is about 1.3 mm broad, ovoid-globose, style 3-3.5 mm, shorter than the calyx. Capsule is round, 3-3.5 mm broad, included. Pyramidal Loosestrife is found in the Himalayas, from Pakistan to Nepal, at altitudes of 1500-2100 m. Flowering: July-August.

Identification credit: Krishan Lal Photographed in Shimla, Himachal Pradesh.

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