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Asperugo procumbens

Botanic Family

Boraginaceae

Author

Linnaeus

Common Names

• Cao cao (Pinyin)

Geographical Habitats

• Afghanistan
• Albania
• Algeria
• Austria
• Baltic States
• Bulgaria
• Gansu
• Nei Mongol
• Qinghai
• N Shaanxi
• Shanxi
• Sichuan
• Xinjiang
• NE Xizang - China
• Cyprus
• Czechoslovakia
• Denmark
• Finland
• France
• Germany
• Greece
• Hungary
• Kashmir- N India
• Iran
• Iraq
• Israel
• Italy
• Kazakhstan
• Kyrgyzstan
• Lebanon
• Libya
• Mongolia
• Morocco
• Nepal
• Norway
• Oman
• Pakistan
• Palestine
• Poland
• Romania
• Russia
• Saudi Arabia
• Siberia
• Sweden
• Switzerland
• Syria
• Tajikistan
• Tunisia
• Turkey
• Turkmenistan
• Ukraine
• Uzbekistan
• Yugoslavia

Natural Habitats

• Grassland
• field edges
• meadows
• wasteland

Flowering Times

• Jul-Sep (Chiina)

Fruiting Times

• Jul-Sep (China)

Weak climbing & scrambling or procumbent annual hispid herb, tetragonal stems with hooked spines or bristles. Leaves to 100mm x 36mm, both surfaces with white trichomes , margin & midrib with hooked hairs. Solitary or paired flowers, 2.5mm blue flowers, corolla 2mm long, white tube, hairy calyx to 1.5mm enlarged in fruit to 15mm, Fruit a nutlet to 3m.,

A known weed

Further References

• FOC
• The Plant List 2
• Botanicus
• JAA