familyJuncaceae

Juncaceae

A. L. Jussieu
Common names: Rush Family
Treatment appears in FNA Volume 22. Treatment on page 211.

Herbs, perennial, occasionally annual, usually rhizomatous, orsometimes cespitose. Culms round or flat. Leaves mostly basal; sheath margins fused or overlapping, often with 2 earlike extensions (auricles) at blade junction; blade flat or round, glabrous or margins hairy. Inflorescences of headlike clusters or single flowers variously arranged; bracts subtending inflorescence 1 or more2, mostly leaflike; bracts subtending inflorescence branches 1–2, reduced; bracteoles subtending solitary flower 0–2, translucent, reduced. Flowers usually bisexual, radially symmetric; sepals and petals similar, persistent, green to brown or purplish black; stamens usually 3 or 6; anthers persistent, linear; pistils 1; ovaries superior, locules 1 or 3, placentas 1 and basal or 3 and axile or parietal; stigmas generally longer than styles. Fruits capsules, loculicidal. Seeds 3–many, often with white appendages on 1 or both ends.

Distribution

Arctic and temperate regions, tropical mountains

Discussion

Genera 9, species ca. 350 (2 genera, 1108 species in the flora).

Lower Taxa

Illustrations

 Family TaxonIllustrator 
FNA22 P40 Juncus pg 215.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncus effusus
Juncus arcticus var. balticus
Juncus filiformis
Juncus drummondii
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P41 Juncus pg 220.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncus trifidus
Juncus gerardii
Juncus vaseyi
Juncus greenei
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P42 Juncus pg 222.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Juncus bufonius
Juncus dudleyi
Juncus confusus
Juncus tenuis
Juncus interior
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P43 Juncus pg 227.jpegJuncaceae
Juncaceae
Juncaceae
Juncus longistylis
Juncus marginatus
Juncus macrophyllus
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P44 Juncus pg 230.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Juncus triformis
Juncus bryoides
Juncus capitatus
Juncus tiehmii
Juncus leiospermus
Juncus hemiendytus var. hemiendytus
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P45 Juncus pg 236.jpegJuncaceae
Juncaceae
Juncaceae
Juncus acutus subsp. leopoldii
Juncus xiphioides
Juncus roemerianus
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P46 Juncus pg 240.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Juncus triglumis var. albescens
Juncus trigonocarpus
Juncus canadensis
Juncus castaneus
Juncus caesariensis
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P47 Juncus pg 245.jpegJuncaceae
Juncaceae
Juncaceae
Juncus brevicaudatus
Juncus militaris
Juncus pelocarpus
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P48 Juncus pg 249.jpegJuncaceae
Juncaceae
Juncaceae
Juncus scirpoides
Juncus acuminatus
Juncus torreyi
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P49 Juncus pg 253.jpegJuncaceae
Juncaceae
Juncaceae
Juncus articulatus
Juncus nevadensis
Juncus mertensianus
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P50 Luzula pg 258.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Luzula acuminata var. carolinae
Luzula acuminata var. acuminata
Luzula spicata
Luzula parviflora
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P51 Luzula pg 262.jpegJuncaceae
Juncaceae
Juncaceae
Luzula subcapitata
Luzula confusa
Luzula arctica
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
FNA22 P52 Luzula pg 264.jpegJuncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Juncaceae
Luzula arcuata subsp. unalaschkensis
Luzula bulbosa
Luzula echinata
Luzula multiflora subsp. frigida
Luzula multiflora subsp. kobayasii
Luzula multiflora subsp. multiflora
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Key

1 Leaves glabrous, sheaths open; fruits 1- or 3-chambered; seeds many Juncus
1 Leaves generally with hairy margins; fruits 1-chambered; seeds 3 Luzula
... more about "Juncaceae"
persistent +
Ralph E. Brooks +  and Steven E. Clemants +
A. L. Jussieu +
round;flat +
Rush Family +
flat +  and round +
Arctic and temperate regions +  and tropical mountains +
arranged +  and cluster +
headlike +
3 +  and 1 +
green;brown or purplish black +
persistent +
parietal +  and axile +
buchenau1890a +  and buchenau1906a +
green;brown or purplish black +
persistent +
6 +  and 3 +
generally longer +
Juncaceae +
annual +  and perennial +
herb +  and cespitose +