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Project Name Data (Last Modified On 6/19/2013)

Flora Data (Last Modified On 6/19/2013)
Genus Liabum Adanson
PlaceOfPublication Fam. 2: 131. 1763.
Note TYPE: Amellus umbellatus L. = Liabum umbellatum (L.) Schultz-Bip.
Description Herbs, subshrubs and shrubs; branches soft, densely pubescent or glabrescent, often drying striate-ribbed. Leaves opposite, distinct or weakly connate-clasping, green and lightly pubescent to glabrescent above, densely whitish felted-lanate beneath. Inflorescences terminal and axillary in the upper leaves, numerous loose to compact paniculate or corymbiform cymes. Heads radiate; involucral bracts imbricate in several series; receptacle naked or paleaceous with irregular short awns; ray florets in 1-2 series, fertile, the ligules small, erect or tightly recurved, rolled or long and prominent; disc florets numerous, bisexual, fertile, the style branches linear-subulate to filiform, hirsute, the anthers sagittate. Achenes turbinate to weakly 5-(10?) angled, pubescent.
Habit Herbs, subshrubs and shrubs
Reference Robinson, H. & Brettell, R. D. 1974. Studies in the Liabeae (Asteraceae) II. Preliminary survey of the genera. Phytologia 28: 43-63.
Key a. Plants erect; principal leaves ovate to elliptic or subdeltoid; receptacle naked or loosely paleaceous. b. Receptacle paleaceous with short, irregular awns; upper branches whitish felted- lanate; innermost involucral bracts acicular or long-lanceolate ...... 1. L. bourgeaui bb. Receptacle naked; upper branches brownish, hispid to glabrescent; inner involucral bracts lanceolate-subulate ...... 2. L. polyanthum aa. Plants lax or scrambling; principal leaves triangular; receptacle alveolate ...... 3. L. sagittatum
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