carinate, (3.5–)4–5.5 × 2–2.5 mm. Its achenes are often unusually large, 1.3–1.8(–2) × 1.1–1.5 mm. It is known from near sea level on the coasts of British
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anthers erect at anthesis, 1–2 mm; ovary 3–5 × 2–4 mm, glabrous; style 3–5 × 1–1.5; stigma yellow, 1.5–2.5 mm diam. Berries 1 cm diam. Seeds 0.2–0.4+ mm
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urceolate, ± 5-angled, weakly keeled or not keeled, glabrous, pilose, or puberulent, lobes not reflexed, length 0.5–1 times tube; petals 5, lavender, magenta
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Moscow) 72: 689. 1987 Treatment appears in FNA Volume 3. Roots 1-5 (-9) -branched from within 1 cm of stem attachment, 2-7 (-16) cm, cormlike to fascicled or
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otherwise more opaque; laminal cells usually linear, 8–15: 1, occasionally 20: 1 or 3–5: 1, walls thin to moderately thick, rarely as thick as lumen (B
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morphology of I. saxosa is nearly identical to that of I. arizonica, which has been treated as a distinct genus, Purpusia, on the basis of its lack of an epicalyx
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Ownbey. 1969. Vascular Plants of the Pacific Northwest. Part 1: Vascular Cryptogams, Gymnosperms, and Monocotyledons. University of Washington Press, Seattle
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entire. Scape 0.5–25 dm. Inflorescences paniculate, rarely racemose, 3–18 dm; bracts caducous or occasionally persistent. Flowers 2–5 per node, functionally
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ovary to 0.5 mm, green or pink to purple, (0.1–4 mm); sepals 5, green, sometimes reddish at tips, sometimes ± purple; petals absent or (1–) 5, white, cream
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Involucres 1 per node, rarely 2–5 per cluster, narrowly turbinate to turbinate-campanulate, 4–6 × 1.5–5 mm, tomentose or glabrous; teeth 5, erect, 0.5–1.3 mm
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boreal regions of the Northern Hemisphere Species ca. 25 (15 in the flora). Plants of subg. Ptychostomum are distinctive in a number of characters, especially
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Illustrator: Barbara Alongi Copyright: Flora of North America Association Herbs, not rhizomatous, not stoloniferous; caudex 1–5 cm diam., scaly. Flowering-stems (appearing
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rectangular or rhomboid, usually 8–13 µm wide, 1: 1, 1-stratose, papillae usually simple to 2-fid, usually solid, with 3–5 projections, occasionally absent or multiplex
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Spikelets ellipsoid to lanceoloid, glabrous. Lower glumes (1/3) 1/2 - 3/4 as long as the spikelets, (3) 5-7-veined, truncate, obtuse, acute, or acuminate; lower
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to cuneate, dehiscent 1/4–1/3 their length; pedicellate, sometimes disarticulating from plant at maturity. Seeds numerous, in 1 or 2 rows per locule, grayish
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to broadly pyriform or urceolate, 1–6 [–10] mm, neck sometimes 1+ times urn length; exothecial cells near mouth in 1–3+ rows, medial cell-walls straight
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Saxifrag. 1: 25, plate 6. 1810 ,. Luc Brouillet, Patrick E. Elvander† Common names: Stoloniferous or spider or spider-legged saxifrage spider plant Illustrated
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partial hybrid sterility between plants placed in different species on the basis of their morphology "supports the recognition of more than one species among
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veins obscure or prominent, apices unawned; lower glumes 1 (3) -veined; upper glumes (1) 3 (5) -veined; calluses blunt, glabrous or pubescent; lemmas membranous
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scales basally attached, clathrate. Petioles not articulate. Blades 1–4-pinnate, of diverse size and shape. Indusia present. x = 36. Worldwide Species ca
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