Arethusa

Linnaeus

Sp. Pl. 2: 950. 1753.

,

Gen. Pl. ed. 5, 407. 1754.

Common names: Arethusa dragon’s-mouth aréthuse
Etymology: Greek Arethusa, mythical river nymph
Treatment appears in FNA Volume 26. Treatment on page 596. Mentioned on page 497, 598.

Herbs, perennial. Roots few, slender, fleshy. Stems scapose, at base a bulbous corm. Leaves solitary, basal; blade subtended by 2–3 tubular sheaths, obscurely plicate, linearlanceolate, developing during and after anthesis. Inflorescences terminal; floral bracts minute. Flowers solitary (rarely 2), resupinate, erect, showy; anther with pair of soft yellow-green pollinia; stigma emergent, with free lateral lobes. Fruits capsules, erect.

Distribution

North America

Discussion

Species 1.

Selected References

None.

Lower Taxa

... more about "Arethusa"
self-pollination +
Charles J. Sheviak +  and Paul M. Catling +
Linnaeus +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
Arethusa +, dragon’s-mouth +  and aréthuse +
North America +
Greek Arethusa, mythical river nymph +
3-merous +, sessile +  and pedicellate +
erect +  and resupinate +
lateral +  and terminal +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
Sp. Pl. +  and Gen. Pl. ed. +
1753 +  and 1754 +
aerial +  and subterranean +
slender +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Arethusa +
Orchidaceae (tribe Arethuseae) subtribe Arethusinae +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +