Difference between revisions of "Goodyera pubescens"

Revision as of 19:29, 24 September 2019

Leaves: blade distinctly lined with white or greenish white on veins throughout, broadly elliptic to broadly ovate, 2.1–6.2 × 1.3–3 cm, apex acute or obtuse. Inflorescences 10–57-flowered, cylindric (equally dense on all sides); peduncle 11–35 cm. Flowers: lateral sepals 3.1–5.3 mm; petals distinct; hood 3.6–5.7 mm; lip scrotiform, 2.5–4.2 × 2.2–3.5 mm, apex reflexed, outer surface slightly tuberculate, inner surface with somewhat thickened veins, without glandular processes; anther inflexed, immersed in cup-shaped clinandrium, apex blunt; pollinia blunt; rostellum with marginal notch 0.1–0.4 mm deep; viscidium orbiculate. 2n = 26.

Phenology: Flowering mid Jul–early Sep.
Habitat: Almost any wooded habitat with acid surface conditions, most frequent on moist humus soils in shady, upland woods of hemlock, pine, oak, or maple, less frequent in lowland woods, bogs, swamps
Elevation: 0–1600 m

N.S., Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Goodyera pubescens is very different in its lip and column morphology, phenolic constituents, and chromosome number (2n = 26) from other North American Goodyera species, indicating that it is not closely related to them.

Selected References

None.

Lower Taxa