Common Name: GRASS FAMILY Habit: Annual to woody perennial herb; roots generally fibrous. Stem: generally round, hollow; nodes swollen, solid. Leaf: alternate, 2-ranked, generally linear, parallel-veined; sheath generally open; ligule membranous or hairy, at blade base. Inflorescence: various (of generally many spikelets). Spikelet: glumes generally 2; florets (lemma, palea, flower) 1--many; lemma generally membranous, sometimes glume-like; palea generally +- transparent, +- enclosed by lemma. Flower: generally bisexual, minute; perianth vestigial; stamens generally 3; stigmas generally 2, generally plumose. Fruit: grain, sometimes achene- or utricle-like. Genera In Family: 650--900 genera; +- 10550 species: worldwide; greatest economic importance of any family (wheat, rice, maize, millet, sorghum, sugar cane, forage crops, ornamental, weeds; thatching, weaving, building materials). Note: Generally wind-pollinated. Achnatherum, Ampelodesmos, Hesperostipa, Nassella, Piptatherum, Piptochaetium, Ptilagrostis moved to Stipa; Elytrigia, Leymus, Pascopyrum, Pseudoroegneria, Taeniatherum to Elymus; Hierochloe to Anthoxanthum; Lolium, Vulpia to Festuca; Lycurus to Muhlenbergia; Monanthochloe to Distichlis; Pleuraphis to Hilaria; Rhynchelytrum to Melinis. The following taxa (in genera not included here), recorded in California from historical collections or reported in literature, are extirpated, lacking vouchers, or not considered naturalized: Acrachne racemosa (Roth) Ohwi, Allolepis texana (Vasey) Soderstr. & H.F. Decker, Amphibromus nervosus (Hook. f.) Baill., Axonopus affinis Chase, Axonopus fissifolius (Raddi) Kuhlm., Coix lacryma-jobi L., Cutandia memphitica (Spreng.) K. Richt., Dinebra retroflexa (Vahl) Panz., Eremochloa ciliaris (L.) Merr., Eustachys distichophylla (Lag.) Nees, Gaudinia fragilis (L.) P. Beauv., Miscanthus sinensis Andersson, Neyraudia arundinacea (L.) Henrard, Phyllostachys aurea Rivière & C. Rivière, Phyllostachys bambusoides Siebold & Zuccarini, Rottboellia cochinchinensis (Lour.) Clayton, Schedonnardus paniculatus (Nutt.) Branner & Coville, Schizachyrium cirratum (Hack.) Wooton & Standl., Schizachyrium scoparium (Michx.) Nash, Themeda quadrivalvis (L.) Kuntze, Thysanolaena latifolia (Hornem.) Honda, Tribolium obliterum (Hemsl.) Renvoize, Zea mays L., Zizania palustris L. var. interior (Fassett) Dore, Zoysia japonica Steud. Paspalum pubiflorum E. Fourn., Paspalum quadrifarium Lam., are now reported for southern California (J Bot Res Inst Texas 4:761--770). See Glossary p. 30 for illustrations of general family characteristics. eFlora Treatment Author: James P. Smith, Jr., except as noted Scientific Editor: James P. Smith, Jr., J. Travis Columbus, Dieter H. Wilken.
Common Name: FESCUE, RYE GRASS Habit: Annual, perennial herb, loosely to densely cespitose, generally +- glabrous, rhizomes present or 0; bisexual, dioecious in Festuca kingii. Stem: decumbent, ascending to erect, to 2 m. Leaf: basal and cauline; sheath generally persisting; collar generally glabrous; ligule generally < 1 mm, membranous, truncate, minutely fringed; blade flat or rolled, claw-like basal auricles generally 0. Inflorescence: panicle-like, branches dense and appressed to open and spreading or spike-like. Spikelet: glumes 2, < lowest floret, unequal, lower sometimes minute, 1--3-veined, upper 3--5-veined; axis breaking above glumes and between florets, florets (1)2--10(17), generally bisexual; lemma 3--5(7)-veined, base generally glabrous, tip entire, occasionally minutely 2-toothed, awn 0 or terminal, generally straight, glabrous; palea +- = lemma; stamens 3 or 1. Fruit: obovoid to elongate, free from or +- adhering to palea and lemma. Etymology: (Latin: straw, stem or straw-like weed) Note: As treated here, including ×Festulpia, ×Festulolium, Leucopoa, Lolium, ×Schedolium, ×Schedololium, Schedonorus, and Vulpia. Lolium rigidum Gaudin (combination in Festuca evidently not available), native to Europe and Africa, has been found sporadically as an urban and agricultural weed, but has not been collected in recent years and is doubtfully naturalized. eFlora Treatment Author: James P. Smith, Jr. & Susan G. Aiken Reference: Darbyshire 2007 FNANM 24:443--448; Darbyshire & Pavlick 2007 FNANM 24:389--443; Lonard 2007 FNANM 24:448--454 Unabridged Reference: Aiken et al. 1996 onwards @ http://biodiversity.uno.edu/delta/festuca/index.htm [broken 21.vii.2010]; Lonard & Gould 1974 Madroño 22:217--230; Wilson 1999 Ph.D. Dissertation Oregon State Univ
Festuca perennis (L.) Columbus & J.P. Sm.
NATURALIZED Habit: Annual, perennial herb. Stem: ascending to erect, (3)5--10 dm, generally glabrous. Leaf: ligule 1--3 mm; blade 4--30 cm, (1) 2--5 (6) mm wide. Inflorescence: 3--30 cm, spike-like (sometimes panicle-like, branches spike-like, spreading). Spikelet: 5--22 mm; glume < rest of spikelet, 3.5--15 mm, lance-linear; lemma 3.5--9 mm, +- lanceolate, firmly membranous, awn 0--8 mm. Chromosomes: 2n=14. Ecology: Dry to moist disturbed sites, abandoned fields; Elevation: < 1000 m. Bioregional Distribution: CA-FP, DMtns (Panamint Range); Distribution Outside California: to Alaska, eastern North America; native to Europe. Flowering Time: May--Sep Note: Because awned and awnless spikelets can occur on same pl, and variation in stature, spikelet size, duration appear related to environmental stress, these taxa are not recognized. Synonyms: Lolium multiflorum Lam.; Lolium perenne L.; Lolium perenne var. multiflorum (Lam.) Parnell; Lolium strictum C. Presl Jepson eFlora Author: James P. Smith, Jr. & Susan G. Aiken Reference: Darbyshire 2007 FNANM 24:443--448; Darbyshire & Pavlick 2007 FNANM 24:389--443; Lonard 2007 FNANM 24:448--454 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) View the CDFA Pest Rating page for Festuca perennis Weed listed by Cal-IPC Previous taxon: Festuca octoflora Next taxon: Festuca pratensis
Citation for this treatment: James P. Smith, Jr. & Susan G. Aiken 2012, Festuca perennis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=91964, accessed on December 02, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 02, 2024.
Geographic subdivisions for Festuca perennis:
CA-FP, DMtns (Panamint Range)
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurrence).
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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Duplicates counted once; synonyms included.
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