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Solidago caesia var. zedia

Solidago caesia L. var. zedia R.E. Cook & Semple

Lowland Goldenrod

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: SOCAZ

USDA Native Status: L48 (N)

"Perennial from woody caudex-like rhizomes. Stems one to many, arching (27.7-)31.6-54.1-76.6(-99.l) cm tall occasionally with one to several elongated lateral branches, glaucous, usually blue to purple anthocyanin colored, glabrous to slightly pubescent in the inflorescence (0.0-)0.6-6.2-11.8(-17.0) hairs/mm2. Basal leaves absent at flowering time. Lower stem leaves lanceolate to rhombic, sessile, (47.3-)57.0-70.0-83.1(-91.8) mm long, (13.0-)14.4-17.7-21.1(-24.0) mm wide, sparsely pubescent above (0.0-)0.0-l.1-2.2(-3.6) hairs/mm2, (0.2-)1.6-3.3-5.0(-6.0) hairs/mm along the vein, glabrous to sparsely pubescent below (0.0-)0.0-0.2-0.9(-2.7) hairs/mm2, (0.0-)0.1-2.5-4.9(-8.0) hairs/mm along the vein, leaf apices acuminate, margins with (40-)5.0-6.9-87(-9.3) serrations. Upper stem leaves lanceolate to rhombic, sessile, (23.o-)32.4-43.0-53.6(-60.3)mm long, (5.6-)6.7-9.1-11.6(-13.9) mm wide, glabrous to sparsely pubescent above (0.0-)0.1-1.1-2.2(-3.0) hairs/mm2 (0.8-)1.6-38-5.9(-8.6) hairs/mm along the vein, glabrous to sparsely pubescent below (0.0-)0.0-0.2-0.9(-2.0) hairs/mm2 (0.0)0.4-2.6-4.9(-7.5) hairs/mm along the vein, margins entire to slightly serrate with (0.0-)0.0-1.8-3.6(-7.0) serrations. Capitulescence short axillary and ter­minal racemiform-paniculiform clusters, inflorescence (8.9-)11.4-20.8-30.2(-38.7) cm long with heads secund. Involucres (4.8-)5.4-6.1-6.8(-7.2) mm high, (3.1-)3.1-3.9-4.7(-6.3) mm wide; phyllaries in several unequal series, outermost phyllaries (0.9-)1.0-1.1-1.2(-1.3) mm long, lanceolate, acute; innermost phyllar­ies (2.5-)2.8-3.3-3.7(-4.1) mm long, linear-oblong, obtuse to acute, single nerved. Ray florets (1.0-)1.9-2.7-3.5(-4.0), strap yellow, (1.5-)1.8-2.3-2.7(-3.4) mm long; corolla (1.3-)1.5-1.7-1.9(-2.0) mm 1ong; achenes (1.1-)1.3-1.7-2.1(-2.6) mm long, sparsely to moderately pubescent; pappus (1.6-)2.2-2.6-3.1(-3.4) mm long. Disc florets (3.0-)3.8-5.2-6.6(-7.0), yellow; corolla (2.0-)2.1-2.5-3.0(-3.7) mm long; corolla lobe (0.9-)1.1-1.3-1.4(-1.6) mm long; achenes (1.2-)1.4-1.7-2.0(-2.2) mm long, moderately to densely pubescent; pappus (2.4-)2.6-3.0-3.4(-3.6) mm long. Chromosome number: 2n=18." (Reslit:3186).