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.
 TaxonIllustrator 
FNA26 Plate 098.jpegTriphora trianthophoros subsp. trianthophoros
Tropidia polystachya
Arethusa bulbosa
Barbara Alongi
Barbara Alongi
Barbara Alongi

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 +