Eastern Mojave Vegetation Coll. No. 905, Asteraceae Symphyotrichum frondosum  


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  Asteraceae Symphyotrichum frondosum
Scanned 2 Sep 2013.

Annual herb, to 30 cm., sap milk unknown; Root neither clearly fibrous nor a single tap root; Stem branched at base or not, young stem sparsely hairy; Leaves cauline, alternate, 4 cm × 6 mm wide, oblanceolate, puberulent, sparsely ciliate; Inflorescence, head enclosed by involucre, not overtopped by leaves; Involucre bell- or conic-shaped; Phyllaries unequal, in 3± series, inner thin, nearly transparent; Receptacle epaleate; Flowers of 2 kinds, ray flowers, blade 2 mm, lavender, inconspicuous; disc flowers ...; Pappus of many well-developed bristles, ±equal, barely plumose, some disc flowers also have a single long scale.

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Date and time this page was prepared: 6/16/2024 11:57:39 AM