Solidago L.

	Solidago hybrid: stem

solidaster (the names Solidago and Solidaster are frequently used interchangeably in the trade).

goldenrod

Most commonly cultivated

Many hybrids, mostly based on Solidago canadensis L. and S. virgaurea L., e.g. 'Tara', a major import into Holland, and 'Yellow Submarine'

Other species

S. caesia L.

S. odora Ait.

S. rugosa Mill.

S. sphaecelata Raf.¹.

Primarily North America.

Alternate, entire or toothed, often linear-lanceolate leaves; panicles bearing many, small (ca. 4 mm across), few-flowered, radiate heads mostly in 1-sided upward-facing racemes on recurved branches; head subtended by +/- cylindric involucre of subequal or imbricate phyllaries in several rows; ray flowers (florets) yellow, female; disc florets yellow; pappus 1-2 rows of capillary bristles.

Overall shape of panicle varies: corymb-like, plume-like, or conical, compact to open, more or less densely flowered; heads in various shades of yellow or yellow-orange.

X Solidaster

Kenya, South Africa, Zimbabwe.