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Amsonia tomentosa Torr. & Frém.

Woolly bluestar, gray amsonia

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderGentianalesGentians, coffee, gardenias, frangipani, many others
FamilyApocynaceaeDogbane family
GenusAmsoniaBluestars; named for botanist Charles Amson
SpeciestomentosaFrom Latin tomentosus, from tomentum, covered with densely matted woolly hairs

About plant names...

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Amsonia tomentosa (woolly bluestar, gray amsonia)

4/29/2018 · Red Spring Calico Basin, Red Rock Canyon, Nevada · ≈ 4½ × 7″ (12 × 18 cm)

Amsonia tomentosa (woolly bluestar, gray amsonia)

5/3/2018 · Barker Dam, Joshua Tree National Park, Cali­fornia · ≈ 6 × 4″ (15 × 10 cm)

 

Amsonia tomentosa description by Thomas H. Kent, last updated 6 Sep 2021.

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Amsonia tomentosa (woolly bluestar, gray amsonia)

4/29/2018 · Red Spring Calico Basin, Red Rock Canyon, Nevada · ≈ 7 × 4½″ (18 × 12 cm)

Amsonia tomentosa (woolly bluestar, gray amsonia)

4/29/2018 · Red Spring Calico Basin, Red Rock Canyon, Nevada · ≈ 4½ × 7″ (12 × 18 cm)

Range:

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