Family: Asteraceae
Ammobium
Citation:
R. Br., in Sims, Curtis's Bot. Mag. 51:t. 2459 (1824).
Derivation: Greek ammos, sand; bios, life; as Brown's original collection was growing in sand.
Synonymy: Not Applicable Common name: None
Description:
Perennial herb with woolly non-glandular vestiture; stems with continuous herbaceous wings; leaves mostly basal, alternate, entire.
Inflorescence a loose terminal corymb of homogamous discoid capitula; involucres broadly cup-shaped, many-seriate; bracts with ovate papery laminae on successively longer oblong herbaceous claws; receptacle conical, with a persistent massive scale subtending each floret; florets numerous, bisexual, fertile, tubular, 5-merous; corollas narrowly cylindrical below, more broadly cylindrical in the distal half, shortly 5-toothed, sparsely glandular; anthers tailed at the base with triangular terminal appendages; style branches subterete, narrowly linear, truncate, with prominent conical papillose apices.
Achenes flattened, unequally 4-angled, glabrous; pappus a minute scarious bilabiate cup, usually with 2 short straight smooth awns. Monotypic.
Biology:
No text
Author:
Not yet available
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