Difference between revisions of "Clethra alnifolia"

Revision as of 23:03, 16 December 2019

Copyright: Flora of North America Association

Shrubs 1–3 m. Stems ± terete; young shoots puberulent. Leaves: petiole 2.5–3.5(–6) cm; blade obovate to oblong (widest distal to midpoint), 5–9(–12) × 2–4(–6) cm, base cuneate to rounded, margins obscurely to clearly toothed, especially distally (proximalmost tooth averaging 3.4 cm distal to base), apex obtuse to acute, surfaces sparsely hairy and glabrescent abaxially, glabrous adaxially. Inflorescences solitary or in clusters of 2–4, (6–)9–15(–19) cm, axis sparsely stellate-hairy. Pedicels 2–4 mm, proximalmost averaging 3 mm, shortly stellate-hairy; bract shorter than flower, proximalmost 5–7 mm, shortly stellate-hairy. Flowers: sepals 3.5–5 × 1–1.5 mm, stellate-pubescent; petals white (rarely pink abaxially or on both surfaces), 5–8 × 4–5 mm; filaments 4–6(–6.5) × 0.2–0.3(–0.4) mm, glabrous; anthers 1–1.3 mm; style 6–7 mm, hairy in proximal 1/2, hairs simple, straight. Capsules subglobose, 2.5–4 × 3.5–5.3 mm. Seeds 1–1.5 mm. 2n = 16, 32.

Phenology: Flowering summer.
Habitat: Broad-leaved swamps, Chamaecyparis swamps, wet pine forests, sometimes in dry, sandy woods and rocky, acidic ridge tops
Elevation: 0-200 (-400) m

N.S., Ala., Conn., Del., Fla., Ga., La., Maine, Md., Mass., Miss., N.H., N.J., N.Y., N.C., Pa., R.I., S.C., Tex., Va.

Discussion

Selected References

None.

Lower Taxa