X <i>Mangave </i>plant named ‘Queen for a Day’

Abstract

A new and unique x Mangave plant named Queen for a Day characterized by slightly-arching, slightly-wavy, lanceolate foliage with distinctly small firm spines on deeply-scalloped margins. Leaves are variegated and with strong ultraviolet light develop dark, purplish-grey margins and olive-green longitudinal centers. Plants are useful for landscaping as specimens or en masse or as container plants in the landscape or in the home.

Claims

1. A new and distinct cultivar of ornamental x Mangave plant named Queen for a Day as herein described and illustrated, suitable for the garden or as a potted plant in the garden or home.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The photographs of x Mangave Queen for a Day; demonstrate the overall appearance of the new plant including the unique traits of a fourteen-month-old plant grown in a full-sun outdoor trial garden in Zeeland, Mich. The colors are as accurate as reasonably possible with color reproductions. Ambient light spectrum, temperature, source and direction may cause the appearance of minor variation in color.

(2) FIG. 1 shows the new plant foliage and habit from above.

(3) FIG. 2 shows the new plant foliage and habit from a side view.

(4) FIG. 3 shows a close-up of the foliage and marginal teeth from above.

DETAILED BOTANICAL DESCRIPTION

(5) The following descriptions and color references are based on The 2015 edition of The Royal Horticultural Society Colour Chart except where common dictionary terms are used. The new plant, X Mangave Queen for a Day, has not been observed under all possible environments. The phenotype may vary slightly with different environmental conditions, such as temperature, light, fertility, moisture and maturity levels, but without any change in the genotype. The following observations and size descriptions are of a one-year-old plant moved from a commercial wholesale greenhouse to a full-sun trial garden in Zeeland, Mich. with supplemental water and fertilizer as needed. Parentage: X Mangave Mayan Queen whole plant mutation; Propagation: Sterile shoot-tip tissue culture; Time to initiate roots from tissue culture: About 21 days; Growth rate: Moderate; Crop time: About 12 to 16 weeks to finish in a 3.8 liter container from a 35 mm tissue culture growing at about 21 C.; Rooting habit: Fleshy, lightly branching, with roots up to 20 cm long; Root color: Nearest RHS 158D; Plant shape and habit: Succulent, herbaceous, freeze-tender perennial with basal rosettes of about 25 leaves radially emerging and outwardly and slightly arching from central stem extending below the base of the plant when grown in containers, producing a radially-symmetrical, slightly outwardly mound; Plant size: Foliage height about 18.0 cm tall from soil line to the top of the leaves and about 48.0 cm wide at the widest point near soil line; Foliage description: Lanceolate; simple; margins scalloped with small firm teeth; apex spinose; base truncate, sessile, clasping; flat; bi-laterally symmetrical; slightly involute to slightly conduplicate; Leaf size: To about 26.0 cm long, about 7.0 cm wide at base and 5.0 mm thick, average about 24.0 cm long, 6.5 cm wide and 4.5 mm thick; marginal teeth about 1.0 mm long on scalloped indentations about 5.0 mm deep and about 7.0 mm apart; adaxial margin to about 18.0 mm wide and center to about 36.0 mm wide; abaxial margin to about 4.0 mm wide and center to about 56.0 mm wide; Foliage fragrance: None observed; Leaf blade color: Adaxial (young).Center nearest RHS 138B, and margin between RHS N187A and RHS 187A with intense ultraviolet light. Abaxial (young).Center a blend between RHS N138A, RHS 189A and RHS 189B, and margin between RHS N187A and RHS N187B with intense ultraviolet light. Adaxial (mature).Center between RHS 137A and RHS 137B, and margin nearest RHS N187A. Abaxial (mature).Center between RHS 138A and RHS 138B, and margin mixture of RHS 138B and RHS N187A. Teeth.Young adaxial and abaxial bases nearest RHS 185C with 1.0 mm long apices nearest RHS 160D; mature adaxial base nearest RHS N187A, abaxial base mottled with RHS 138B and transitioning to solid RHS N187A distally; mature apices nearest RHS 200A. Apical spine or mucro: Sharp and firm; average about 7.0 mm long and about 1.0 mm wide at base; Apical spine or mucro color: Between RHS 179B and RHS 182A on young expanding leaves and maturing to nearest RHS 200B; Petiole: Sessile; Veins: Parallel; not distinct abaxial or adaxial; Stem: Terete; covered with leaves; about 5.0 cm across and extending to about 4.0 cm above soil; without branching; attitude upwards, erect; Flowers have not yet been observed. Fruit and seed have not yet been observed. Disease resistance: X Mangave Queen for a Day has not been observed to be resistant to diseases beyond that which is normal for X Mangave, Agave or Manfreda. The plant is xeromorphic and survives well with minimal water once established. The new plant is hardy at least from USDA zone 9a to 11. Full extent of winter hardiness has not been tested.