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Hemizonella is a genus of North American plants in the tribe Madieae within the family Asteraceae.[2][3]
The only known species is Hemizonella minima (opposite-leaved tarweed),[4] native to British Columbia, Washington, Oregon, California, Montana, Idaho, Nevada[5][6]
The plant grows in many types of forest, scrub, and chaparral habitats, from mountains to deserts. It is found in the Sierra Nevada and Cascade Range, and Mojave Desert.[3]
Hemizonella minima is a small annual herb producing a thin, fuzzy stem up to about 15 centimetres (5.9 in) in maximum height. The pointed, hairy leaves are no more than 2.5 centimetres (0.98 in) long. The inflorescence produces one or more tiny flower heads which are oblong or shaped like tops on close inspection. Each is a few millimeters wide, enclosed in phyllaries studded with stalked resin glands, and tipped with minute yellowish florets. The fruit is an achene a few millimeters long with no pappus.[3]
Hemizonella is a genus of North American plants in the tribe Madieae within the family Asteraceae.
The only known species is Hemizonella minima (opposite-leaved tarweed), native to British Columbia, Washington, Oregon, California, Montana, Idaho, Nevada
The plant grows in many types of forest, scrub, and chaparral habitats, from mountains to deserts. It is found in the Sierra Nevada and Cascade Range, and Mojave Desert.
Hemizonella minima is a small annual herb producing a thin, fuzzy stem up to about 15 centimetres (5.9 in) in maximum height. The pointed, hairy leaves are no more than 2.5 centimetres (0.98 in) long. The inflorescence produces one or more tiny flower heads which are oblong or shaped like tops on close inspection. Each is a few millimeters wide, enclosed in phyllaries studded with stalked resin glands, and tipped with minute yellowish florets. The fruit is an achene a few millimeters long with no pappus.
Hemizonella minima là một loài thực vật có hoa trong họ Cúc. Loài này được (A.Gray) A.Gray mô tả khoa học đầu tiên năm 1874.[1]
Hemizonella minima là một loài thực vật có hoa trong họ Cúc. Loài này được (A.Gray) A.Gray mô tả khoa học đầu tiên năm 1874.
