Xyris laxifolia var. iridifolia (Chapm.) Kral

Irisleaf yelloweyed grass (en)

Variety

Angiosperms > Poales > Xyridaceae > Xyris > Xyris laxifolia

Characteristics

Herbs, perennial, cespitose, 60--90 cm, base not bulbous. Stems compact. Leaves ascending or in narrow fans, 40--70 cm × 10--25 mm; sheaths strongly tinged with red, soft; blade deep shining green, broadly linear, flattened, plane, 10--25 mm wide, smooth. Inflorescences: scape sheaths exceeded by leaves; scapes terete, ancipital2-edged, compressed distally to 3--4 mm wide, 1--2-ribbed distally, ribs smooth; spikes broadly ovoid to lanceoloid or cylindric, 20--35 mm; fertile bracts 6--7 mm, margins entire, apex rounded. Flowers: lateral sepals included, curved, 6--7 mm, keel scarious, lacerate or lacero-ciliate; petals unfolding in morning, blade obtriangular, 3 mm; staminodes bearded. Seeds mealy, oblong-fusiform, 0.7--0.9(--1) mm. 2n = 18.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 0.9
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
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Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Germination treatment -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Xyris laxifolia var. iridifolia world distribution map, present in Åland Islands, Georgia, Honduras, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1038789-2
WFO ID wfo-0000611919
COL ID 5S5MK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Xyris rigida Xyris conifera Xyris iridifolia Xyris laxifolia var. iridifolia