Key to Platanthera
View taxon page for Platanthera
(For a list of species in Platanthera, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1' Perianth green to yellow-green; spur << to ± > lip
2. Column generally 2.5–4 mm, ± 2/3 hood formed by upper
sepal,
lateral petals; lip
linear Elongate, with nearly parallel sides; narrower than elliptic or oblong.
to lance-linear
..... P. sparsiflora 2' Column generally 1.5–2 mm, <= ± 1/2 hood formed by upper sepal, lateral petals; lip wider than lance-linear
3. Spur generally
cylindric Elongate, with parallel sides and, at any point, round in transverse section.
, ± curved – lip
lanceolate Narrowly elongate, widest in the basal half, often tapered to an acute tip.
to
oblong Longer than wide, with nearly parallel sides; wider than linear.
or linear-oblong, green-yellow to yellow;
leaves clustered near base
..... P. tescamnis 3' Spur club- to sac-like
4. Lip linear to lanceolate, green, red-marked or not; leaves not clustered
..... P. stricta
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
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