oblong-lanceolate, 5–20 mm, leathery to herbaceous, glabrous except for occasional hairlike scales abaxially near midrib; margins recurved on fertile segments
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reproduction occasional, of filiform uniseriate rhizoidal tubers. Sexual condition paroicous; antheridia typically naked or occasionally 1–2 small bracts
9 KB (667 words) - 06:52, 30 July 2020
oblanceolate or ovate. Flowers (1–) 2–30 (–100) per involucral structure, occasionally with stipelike base distal to articulations (Eriogonum); perianth accrescent
21 KB (927 words) - 10:29, 30 July 2020
more than 0.5 mm wide, margins fringed-ciliate. Venation mostly free with occasional areoles, never more than 1 included veinlet in fertile areoles. Sori round
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embryo peripheral, curved. x = 17, 12 (Eurasia), 18 (Eurasia); aneuploidy occasional. Introduced; temperate Eurasia, Africa, Pacific Islands, Australia, in
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papillae on both surfaces. Specialized asexual reproduction at the stem apex occasional, by deciduous or fragile propaguloid leaf tips, or by deterioration of
21 KB (1,511 words) - 07:02, 30 July 2020
Asparagus), sometimes sheathing; blade typically narrow and parallel-veined, occasionally broad and/or reticulate-veined. Inflorescences racemose, spicate, paniculate
29 KB (1,493 words) - 05:37, 30 July 2020
present. Inflorescences ebracteate, paniculate, racemose, or spicate (occasionally a single spikelet), if paniculate, often with spikelike branches; disarticulation
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immediately subtending calyx occasionally present. Pedicels present, or flowers sessile. Flowers bisexual or occasionally unisexual, radially symmetric;
29 KB (1,113 words) - 10:14, 30 July 2020
papillae 2 or rarely 3 per cell, conic, low. Specialized asexual reproduction occasional, by gemmae on leaves. Sexual condition cladautoicous. Seta 0.5–1.5 mm
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Copyright: Flora of North America Association Inflorescences simple, with occasional branch from near base of flower; secondary branches usually absent. Phenology:
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entire to occasionally denticulate distally, costa entire distally, percurrent to excurrent, smooth, in transverse-section semiterete, occasionally terete
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one another, walls smooth or papillose, KOH yellow or red, occasionally orange, occasionally yellow distally and red basally; costa with or without a differentiated
3 KB (461 words) - 07:08, 30 July 2020
infolded leaf base, in transverse-section 2-stratose throughout, with occasional 3-stratose spots near the base or 2-stratose in the distal and 3–4-stratose
9 KB (829 words) - 06:52, 30 July 2020
linear, lanceolate, or triangular, occasionally plicate; base sometimes decurrent; margins often plane, occasionally recurved proximally or throughout,
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branched, usually with central strand, often densely radiculose, tips occasionally deciduous. Leaves in several rows around the stem, erect or secund, often
14 KB (515 words) - 06:54, 30 July 2020
Pinnules dentate, sometimes deeply lobed; margins nonlustrous, thin, with occasional glands, lacking cilia or translucent projections. Vein tips usually enlarged
9 KB (645 words) - 15:30, 15 December 2020
pinnae with occasional multicellular gland-tipped hairs. Pinnae ascending, typically at acute angle to rachis, only proximal pinnae occasionally curving toward
7 KB (530 words) - 15:29, 15 December 2020
color; basal-cells rectangular, 3 (–5):1. Specialized asexual reproduction occasional, by multicellular gemmae borne on branching stalks in leaf-axils. Sexual
15 KB (1,140 words) - 06:56, 30 July 2020
persistent, occasionally persistent through growing season or longer, rarely quickly deciduous; blade glabrous or floccose to tomentose, occasionally also glandular
80 KB (1,352 words) - 10:29, 30 July 2020