Description |
Evergreen, rhizomatous, herbaceous perennial reaching 15-20 cm in height. The rootstock is a tick, fibrous, irregularly branching rhizomewith short internodes resulting in a tight cluster of aerial stems spreading 50-60 cm in 3 years, each consisting of 6-8 distichous, equitant leaves. Stems are oriented at an acute angle from the rhizome, always between 45 and 60° from the vertical. Leaves are green (146A), tough, leathery, acute, narrowly ensiform in shape, sheathing at the base, 10-20 cm long, and 1-1.5 cm wide. Inflorescences are produced from the lower leaves, sheathed by bracts, 30-35 cm long, and are rarely once-branched. Flowers are 3-4 cm wide, white with yellow (9A) nectar guides on the upper surface of the limb of the outer tepals, the claws dotted yellow-orange (15A) with minute papillae. The outer tepals are 24-30 mm long, unguiculate; the claw is 12-15 mm long; the limb is 10-15 mm wide, and spreading; inner tepals are 20-26 mm long, 7-10 mm wide, and spreading. The staminal filaments are 5-9 mm long; the anthers are 3-6 mm long, and the pollen white. The style is 2-3 mm long; the upright crests are 1-1.3 mm long and 4-6 mm wide, violet blue (94B/C) above, whitish violet blue (94D) below. The inferior ovary is 8-15 mm long and lightly ridged. The capsule is ovoid-cylindrical, apically beaked, 20-30 mm long, 14 mm diameter, and only apically dehiscent (if at all). Seeds are numerous, dark-brown (grayed-orange 166A), wedge-shaped, and 3 × 5 mm. Seed-propagated material is consistently dwarf, rarely exceeding 20 cm in height. Rhizomes are densely branched, leaf fans are oriented uniformly at 45 to 60° from the vertical, and the inflorescences are displayed laterally (not erect). The production of stolons on the old inflorescences, a characteristic of other clones of the species, has not been observed to date. Flowers last a single day, and each inflorescence produces several flowers successively. Flowers appear sporadically throughout the year, but most frequently from April to October, and sees capsules are set readily. |
Beschrijving |
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