Festuca brachyphylla Schult. & Schult.F.

Alpine fescue (en)

Species

Angiosperms > Poales > Poaceae > Festuca

Characteristics

Culms very slender, densely tufted, not stoloniferous, glabrous, 1–5 young shoots developing within the sheaths parallel to the main axis; basal sheaths closed to a third or half length, open above with overlapping margins, mostly pale or drab brown, long-persistent, not becoming fibrous; blades setaceous, 0.3–0.7 mm wide, with 3 large and 0–5 small veins, the sclerenchyma in 3–5+ strands (var. brachyphylla), or forming a ± continuous ring (var. rydbergii); infl 1–10(–13) cm, narrow and spiciform, or somewhat open at anthesis, the first pedicel of the lowermost branches usually no more than 5(–7) mm from the base; spikelets 2–4(5)-fld, the first glume 2–3(–3.5) mm, 1-nerved, the second 2.5–4.5 mm, 3-nerved; lemmas mostly 3.5–5.5(–6) mm, with a short awn 1–3 mm; anthers to ca 2 mm; 2n=28, 42. Widespread in n. N. Amer. and the w. cordillera, s. to Que. and n. Mich., the var. brachyphylla also s. to alpine summits and subalpine cliffs of N. Engl. and N.Y. Two ecotypic, genetically differentiated vars.: Var. brachyphylla, ± alpine, dwarf, 0.5–2 dm, the culms usually less than twice as long as the relatively soft, glabrous basal lvs, which tend to become angular in drying as the soft tissue between the sclerenchymatous ribs collapses; infl 1–4 cm; anthers to 1 mm. Var. rydbergii (St.-Yves) Cronquist, of lower elev., taller, 2–5 dm, the culms mostly 2–3 times as long as the stiff, mostly 1-ribbed, often scabrous basal lvs, which tend to remain rounded in drying; infl 2–10 cm; anthers (1.0–)1.2–1.7(–2) mm. (F. saximontana)
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Plant usually densely tufted; shoots intravaginal. Culms (5–)8–30(–55) cm tall; node 1. Leaf sheaths glabrous; auricles present as erect swellings; leaf blades conduplicate, (1.5–)2–10(–20) cm × 0.5–0.8 mm, veins (3–)5–7; adaxial to abaxial sclerenchyma strands absent, abaxial sclerenchyma in 5–7 narrow discrete strands; ligule ca. 0.2 mm, margin ciliate. Panicle contracted, spikelike, 1.5–4(–5.5) cm; branches 0.2–1.5 cm, scabrid, 1–2 at lowest node. Spikelets 4–8 mm, usually brown or brownish purple, occasionally greenish; florets 2–6; glumes smooth, margins glabrous, apex acute or subobtuse; lower glume narrowly lanceolate, (1.2–)1.5–2.5(–3.3) mm; upper glume oblong, (2.4–)3–4.5 mm; rachilla internodes 0.8–1 mm; lemmas 3–4.5(–5.2) mm, scabrid; awns 0.8–1.5 mm; palea keels smooth or minutely scaberulous. Anthers (0.5–)0.7–1.1(–1.3) mm. Ovary apex glabrous. Fl. and fr. Jul–Sep. 2n = 42.
A grass. It is usually in dense tufts The stems are 8-30 cm tall. The leaves are 2-10 cm long by 5-8 mm wide. They are folded along their length. The flower panicle is contracted and 2-4 cm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.09 - 0.23
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows in alpine meadows between 3,500-4,800 m above sea level in western China.
Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

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

Cultivation

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

Images

Festuca brachyphylla unspecified picture

Distribution

Festuca brachyphylla world distribution map, present in Canada, China, Colombia, Kazakhstan, Kyrgyzstan, Montenegro, Svalbard and Jan Mayen, Sweden, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:103770-2
WFO ID wfo-0000869947
COL ID 6HRBH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Festuca ovina f. subspicata Festuca brachyphylla Festuca groenlandica Festuca brachyphylla f. flavida Festuca brevifolia Festuca jensenii Festuca jouldosensis Festuca brachyphylla subsp. breviculmis Festuca brachyphylla subsp. coloradensis Festuca brachyphylla var. arctica Festuca brachyphylla var. groenlandica Festuca ovina subsp. purpusiana Festuca ovina var. brachyphylla Festuca ovina var. brevifolia Festuca ovina subsp. brachyphylla Festuca ovina subsp. brevifolia Festuca brachyphylla var. brachyphylla Festuca brachyphylla subsp. brachyphylla Festuca brachyphylla var. coloradensis Festuca brevifolia var. arctica