Juncus section Poiophylli

Heath rush Juncus squarrosus, copyright James K. Lindsey.

Belongs within: Juncaceae.

The section Poiophylli of the genus Juncus includes grassy-leaved rushes that may be mistaken for true grasses (Healy & Edgar 1980).

Characters (from Healy & Edgar 1980): Plant tufted or rhizomatous; stems usually leafy, rarely only basal sheaths present; leaves flat or channelled, rarely cylindrical; inflorescence terminal.

<==Juncus sect. Poiophylli
    |--J. ambiguus Gussone 1827HE80 [incl. J. bufonius var. halophilusH93]
    |--J. bufonius Linnaeus 1753HE80
    |    |--J. b. var. bufoniusHE80 [=J. bufonius var. genuinus Coutinho 1890FC99]
    |    |--J. b. var. congestus Wahlenberg 1820HE80 [incl. J. bufonius var. congdoniiH93]
    |    |--J. b. var. occidentalis non J. occidentalisH93
    |    `--J. b. var. parviflorus Ascherson & Graebner 1904HE80
    |--J. dichotomus Elliott 1817 [incl. J. cognatus]HE80
    |    |--J. d. var. dichotomusV72
    |    `--J. d. var. platyphyllusV72
    |--J. gerardii Loiseleur-Deslongchamps 1809HE80
    |--J. homalocaulis von Mueller 1853HE80
    |--J. imbricatus Laharpe 1827HE80
    |    |--J. i. var. imbricatusHE80
    |    `--J. i. var. chamissonis (Kunth) Buchenau 1906HE80
    |--J. squarrosus Linnaeus 1753HE80
    `--J. tenuis von Willdenow 1799 [incl. J. involucratus Kirk 1877 (preoc.)]HE80
         |--J. t. var. tenuisHE80
         |--J. t. var. anthelatus Wiegand 1900HE80
         `--J. t. var. secundusHE80

*Type species of generic name indicated


[FC99] Fernández Carvajal, M. C. 1999. Lectotipificación de un junco de Coutinho. Studia Botanica 18: 149–152.

[HE80] Healy, A. J., & E. Edgar. 1980. Flora of New Zealand vol. 3. Adventive cyperaceous, petalous and spathaceous monocotyledons. P. D. Hasselberg, Government Printer: Wellington (New Zealand).

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[V72] Voss, E. G. 1972. Michigan Flora. Part I. Gymnosperms and Monocots. Cranbrook Institute of Science and University of Michigan Herbarium.

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