Eastern Mojave Vegetation Coll. No. 2092, Erigeron divergens  


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  Asteraceae Erigeron divergens
Photographed 26 June 2019.

Coll. No. 2092, 26 June 2019, characters observed: Perennial herb 20 cm.; Stem ascending, short spreading white hairs; Leaves, cauline, alternate, sessile, not clasping, blade 23 mm. × 4.5 mm. wide, 5× long/wide, reduced distally, oblanceolate, entire, eglandular, white curved hairs but not appressed (FNANM: strigoso-hirsute), margins, entire; Inflorescence, heads enclosed by involucre, heads #3+ per stem, not overtopped by leaves; Peduncles, 24-50 mm.; Involucre, 10-11 mm. wide × 5.5 mm. high, ellipsoid; Phyllaries, ±equal, 3± series, 4 mm. × 0.6 mm. wide, green, minutely glandular, margins flat, tips acute; Receptacle, epaleate; Flowers, 2 kinds, Ray flowers, many, tube 2 mm. + blade 5-6 mm. × 0.5 mm. wide, lavender, fertile, pappus, very short scales with a few barbellate bristles; Disk flowers, many, tube 2 mm. + lobes 0.4 mm., tube white, lobes yellow, (FNANM: does disk corolla have orange resinous veins?) pappus, very short scales and barbellate bristles, 1.5 mm. (FNANM: Are scales and bristles alternate or scales outer and bristles inner? Should be latter.) Fruit, 0.8 mm., slightly compressed front to back, light brown, sparsely hairy.

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Date and time this page was prepared: 8/16/2019 12:52:35 PM