Centaurea nigrescens Willd.
Short-fringed knapweed
Kingdom Plantae Plants, but not fungi, lichens, or algae
Subkingdom Tracheobionta Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division Magnoliophyta Flowering plants, also known as angiosperms
Class Magnoliopsida Dicotyledons—plants with two initial seed leaves
Subclass Asteridae A large class that encompasses asters
Order Asterales Flowering plants with a central disk flower and surrounding petals, like daisies
Family Asteraceae The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
Genus Centaurea From the Latin and a reference to the Centaur Chiron who was supposed to have discovered the medicinal uses of a plant in Greece that came to be called Centaury
Species nigrescens
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7/17/2019 · Oceanview, Falmouth, Maine · ≈ 5 × 3½″ (13 × 9.2 cm)
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 6 × 4″ (16 × 11 cm)
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 6 × 4″ (16 × 11 cm)
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 6 × 4″ (16 × 11 cm)
Older scientific or horticultural names
Centaurea debeauxii Gren. & Godr. ssp. thuillieri Dostál
Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek
Centaurea pratensis Thuill., non Salisb., nom. illeg.
Centaurea vochinensis Bernh. ex Rchb.
Centaurea nigrescens description by Thomas H. Kent, last updated 17 Aug 2021.
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7/17/2019 · Oceanview, Falmouth, Maine · ≈ 6 × 4″ (14 × 10 cm)
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 7 × 4½″ (18 × 12 cm)
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 5 × 8″ (13 × 20 cm)
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 5 × 3½″ (13 × 9.2 cm)
Range:
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