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Hainardia cylindrica

Higher Taxonomy
Family: Poaceae (Gramineae)View DescriptionDichotomous Key
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.
Genus: HainardiaView Description 

Common Name: BARB GRASS

Etymology: (Pierre Hainard, Swiss geobotanist, b. 1936) Note: See Parapholis.
eFlora Treatment Author: Thomas Worley
Reference: Smith 2007 FNANM 24:689--691
Unabridged Reference: Greuter & Rechinger 1967 Boissiera 13:22--196; Runemark 1962 Bot Not 115:1--17
Hainardia cylindrica (Willd.) Greuter
Habit: Annual. Stem: ascending to erect, 2--5 dm, internodes solid, branched, glabrous. Leaf: sheath 1--6 cm; ligule 1 mm, membranous; blade 6--10 cm, 1--2 mm wide, generally flat, ribbed, upper surface scabrous. Inflorescence: spike-like, 8--20 cm, cylindric, stiff, straight, breaking at nodes; spikelets alternate, 2-ranked, appressed, embedded in axis, falling with axis segment, lowest included in sheath. Spikelet: lower glume 0 on all but terminal spikelet, upper glume 1, generally 5--7 mm, thick, rigid, margin sometimes inrolled, 3--7(9)-veined; floret 1, bisexual, or 2, upper reduced and sterile; lemma 4--6 mm, translucent, back facing inflorescence axis, 3-veined; palea +- = lemma, translucent; anther 2--3.5 mm. Fruit: 2.5--3.5 mm. Chromosomes: 2n=14,26,52.
Ecology: Coastal salt marshes, alkaline soils; Elevation: < 570 m. Bioregional Distribution: NCo, n SNF (Amador Co.), deltaic GV, CCo, SnFrB, SCo; Distribution Outside California: Baja California, Texas, Louisiana, South Carolina; native to Europe. Flowering Time: Mar--Jul
Synonyms: Rottboellia cylindrica Willd.; Lepturus cylindricus (Willd.) Trin.; Monerma cylindrica (Willd.) Coss. & Durieu
Jepson eFlora Author: Thomas Worley
Reference: Smith 2007 FNANM 24:689--691
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Hainardia cylindrica

botanical illustration including Hainardia cylindrica

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Citation for this treatment: Thomas Worley 2012, Hainardia cylindrica, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on March 02, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on March 02, 2024.

Hainardia cylindrica
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©2009 Neal Kramer
Hainardia cylindrica
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©2009 Neal Kramer
Hainardia cylindrica
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©2014 Neal Kramer
Hainardia cylindrica
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©2014 Neal Kramer
Hainardia cylindrica
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©2008 Steve Matson

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Geographic subdivisions for Hainardia cylindrica:
NCo, n SNF (Amador Co.), deltaic GV, CCo, SnFrB, SCo
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map of distribution 1
(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 occurence).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).