Grindelia howellii Steyermark (Q11042)

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Grindelia howellii is a synonym of Grindelia paysonorum H. St.John
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Grindelia howellii Steyermark
Grindelia howellii is a synonym of Grindelia paysonorum H. St.John

    Statements

    taxon/id/Grindelia howellii Steyermark
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    taxon synonym
    Flowering Jul–Sep.
    grasslands
    forest openings
    Stems erect, stramineous to redbrown, stipitate-glandular (at least distally).
    Cauline leaf-blades spatulate or oblong to oblanceolate or lanceolate, 25–60 (–90) mm, lengths 3–5 (–7) times widths, bases cuneate to ± clasping, margins entire or serrate to denticulate (teeth apiculate), apices obtuse to acute, faces usually finely stipitate-glandular, sometimes glabrous (or scabridulous near margins) and gland-dotted.
    Heads in open to crowded, corymbiform to paniculiform arrays.
    Involucres broadly urceolate to globose, 8–15 × 12–20 (–30) mm.
    Phyllaries in 6–9 series, spreading to appressed, linear or linear-attenuate to lance-linear, apices mostly looped to hooked (inner sometimes recurved to straight), ± terete, moderately to strongly resinous.
    Ray-florets 20–30+;
    laminae 8–12 mm.
    Cypselae whitish to stramineous, 4–5.5 mm, apices ± coronate, faces striate or furrowed;
    pappi of 2 straight to curled, usually smooth, sometimes barbellulate, subulate scales 2.5–4+ mm, shorter than disc corollas.