Calopogon tuberosus (L.) Britton, Sterns & Poggenb.

Tuberous grass pink (en)

Species

Angiosperms > Asparagales > Orchidaceae > Calopogon

Characteristics

Plants 4–110(–135) cm. Corms globose to elongate, not forked, 8–31 mm. Leaves not appressed to inflorescences at flowering; blade linear, lanceolate, or seldom elliptic-lanceolate, 2–50 cm × 2–35(–50) mm, margins slightly to strongly curled transversely. Inflorescences green or slightly purple at base, becoming entirely green after flowering, 4–135 cm; floral bracts ovate to ovate-lanceolate, subulate, 3–30 mm. Flowers 1–25, opening sequentially, magenta, pink, to white, faintly fragrant; dorsal sepal oblanceolate, 15–31 × 5–18 mm, apex acuminate; lateral sepals occasionally reflexed distally, ovate to lanceolate, slightly falcate, 13–26 × 5–16 mm, apex apiculate to acuminate; petals obpandurate to seldom elliptic, slightly falcate, 15–28 × 4–14 mm, apex obtuse; lip 11–23 mm, middle lobe with dilated end typically anvil-shaped, seldom triangular, 5.5–21 mm wide; column 12–25 × 1–2 mm, distal end 4.5–10 mm wide; rostellum present or absent; stigma at angle to column surface. Capsules ovoid to ellipsoid, 13–30 × 5–10 mm. 2n = 26, 40, 42.
More
Lf linear, to 5 dm × 4 cm, long-sheathing; scape 3–7 dm, with a loose raceme of 3–15 fls; tep rose-purple, 15–25 mm, acute; lip 15–20 mm, with a narrow basal part, the summit broadly flabellate, rose purple, crested on its face with stout hairs tipped with magenta and yellow; winged terminal portion of the column suborbicular (when flattened out), with tapering base. Acid bogs and swamps; Nf. to Minn. and se. Man. s. to Fla., Tex. and Cuba. June, July. (C. pulchellus; Limodorum t.)
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
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Mature height (meter) 0.05 - 1.1
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Flower color
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Images

Flower

Calopogon tuberosus flower picture by Paris B (cc-by-sa)
Calopogon tuberosus flower picture by Katie Erickson (cc-by-sa)

Distribution

Calopogon tuberosus world distribution map, present in Åland Islands, Bahamas, Cuba, Micronesia (Federated States of), Georgia, Malaysia, Nicaragua, and United States of America

Conservation status

Calopogon tuberosus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:42783-2
WFO ID wfo-0000780265
COL ID Q28V
BDTFX ID -
INPN ID 716783
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Bletia tuberosa Cathea tuberosa Calopogon pulchellus Helleborine tuberosa Calopogon tuberosus f. niveus Limodorum tuberosum Calopogon tuberosus var. latifolius Calopogon tuberosus

Lower taxons

Calopogon tuberosus var. simpsonii Calopogon tuberosus var. tuberosus