View source for Ehrharta ← Ehrharta You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Ehrharta |accepted_authority=Thunb. |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Ehrhartoideae;Poaceae tribe Ehrharteae;Ehrharta |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Ehrhartoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Ehrharteae]]</div><div class="higher-taxon"><small>genus</small>[[Ehrharta]]</div></div> |volume=Volume 24 |mention_page= |treatment_page=page 33 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>annual or perennial;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism duration;whole_organism reproduction;whole_organism growth form">synoecious.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Culms </b>6-200 cm, sometimes woody, erect to decumbent, sometimes branched above the base, usually pubescent;</span> <span class="statement" id="st-d0_s3" data-properties="culm some measurement;culm texture;culm orientation;culm architecture;culm pubescence;culm position;culm architecture;culm position">basal branching intravaginal.</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf position;leaf position"><b>Leaves </b>basal or basal and cauline;</span> <span class="statement" id="st-d0_s5" data-properties="sheath shape;sheath architecture">sheaths terete, open;</span> <span class="statement" id="st-d0_s6" data-properties="auricle presence;auricle architecture or pubescence or shape">auricles present, often ciliate;</span> <span class="statement" id="st-d0_s7" data-properties="hair ligule some measurement;hair ligule architecture or shape;hair ligule texture;hair ligule texture">ligules 0.5-3 mm, truncate, membranous or of hairs;</span> <span class="statement" id="st-d0_s8" data-properties="blade shape;blade architecture">blades linear to lanceolate, sometimes disarticulating from the sheaths.</span> <span class="statement" id="st-d0_s9" data-properties=""><b>Inflorescences </b>racemes or panicles;</span> <span class="statement" id="st-d0_s10" data-properties="">primary branches spreading to ascending;</span> <span class="statement" id="st-d0_s11" data-properties="primary branch orientation">disarticulation above the glumes, not between the florets.</span> <span class="statement" id="st-d0_s12" data-properties="spikelet some measurement;spikelet architecture or arrangement or growth form;spikelet architecture;spikelet shape;spikelet shape;floret quantity;lower floret quantity;floret reproduction;upper floret variability;upper floret variability;distal floret reproduction"><b>Spikelets </b>2-17 mm, solitary, pedicellate, terete or laterally compressed, with 3 florets, lower 2 florets sterile, at least the upper equaling or exceeding the distal floret, distal floret bisexual.</span> <span class="statement" id="st-d0_s13" data-properties="glume quantity;glume architecture"><b>Glumes </b>from about 1/2 as long as to exceeding the florets, (3) 5-7-veined.</span> <span class="statement" id="st-d0_s14" data-properties="floret reproduction"><b>Sterile </b>florets consisting only of lemmas;</span> <span class="statement" id="st-d0_s15" data-properties="lemma reproduction;lemma fragility or texture;lemma pubescence;lemma pubescence;lemma architecture;lemma architecture;lemma relief;lemma architecture or shape;lateral appendage shape;upper lemma size">sterile lemmas firmer than the glumes, glabrous or pubescent, stipitate or non-stipitate, smooth to rugose, unawned or awned, lowest lemma often with lateral earlike appendages at the base, upper lemma subequal to or longer than the distal floret.</span> <span class="statement" id="st-d0_s16" data-properties="floret reproduction;lemma texture;lemma pubescence;lemma architecture;lemma shape;lemma shape"><b>Bisexual </b>florets: lemmas often indurate at maturity, glabrous, 5-7-veined, keeled, unawned, sometimes mucronate;</span> <span class="statement" id="st-d0_s17" data-properties="floret reproduction;palea width;palea architecture">paleas thinner than the lemmas, 1-2 (5) -veined;</span> <span class="statement" id="st-d0_s18" data-properties="floret reproduction;anther atypical quantity;anther quantity;anther coloration">anthers (1-5) 6, yellow;</span> <span class="statement" id="st-d0_s19" data-properties="floret reproduction;style quantity;style fusion;style fusion;style coloration;style coloration">styles 2, fused or free to the base, white or brown.</span> <span class="statement" id="st-d0_s20" data-properties="caryopse shape;x chromosome quantity"><b>Caryopses </b>laterally compressed, x = 12.</span><!-- -->{{Treatment/Body |distribution=Calif.;Pacific Islands (Hawaii);Tex. |discussion=<p>Named for Jakob Friedrich Ehrhart (1742-1795), a German botanist of Swiss origin who studied under Linnaeus.</p> |tables= |references={{Treatment/Reference |id=gibbs1987a |text=Gibbs Russell, G.E. and R.P. Ellis. 1987. Species groups in the genus Ehrharta (Poaceae) in southern Africa. Bothalia 17:51-65 }}{{Treatment/Reference |id=gibbs1991b |text=Gibbs Russell, G.E. 1991. Ehrharta Thunb. Pp. 121-129 in G.E. Gibbs Russell, L. Watson, M. Koekemoer, L. Smook, N.P. Barker, H.M. Anderson, and M.J. Dallwitz. Grasses of Southern Africa (ed. O.A. Leistner). National Botanic Gardens, Botanical Research Institute, Pretoria, Republic of South Africa. 437 pp. }}{{Treatment/Reference |id=jacobs1993a |text=Jacobs, S.W.L. and S.M. Hastings. 1993. Ehrhata. Pp. 652-654 in G.J. Harden (ed.). Flora of New South Wales, vol. 4. New South Wales University Press, Kensington, New South Wales, Australia. 775 pp. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Upper glumes 3/4 - 9/10 the length of the spikelets; sterile lemmas hairy, not transversely rugose |[[Ehrharta calycina|Ehrharta calycina]] |-id=key-0-1 |1 |Upper glumes less than 3/4 the length of the spikelets; sterile lemmas glabrous or sparsely hispidulous, often transversely rugose distally. |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Lower sterile lemmas unawned |[[Ehrharta erecta|Ehrharta erecta]] |-id=key-0-2 |2 |Lower sterile lemmas awned, the awns 2-20 mm long |[[Ehrharta longiflora|Ehrharta longiflora]] |} </div></div><!-- -->{{#Taxon: name=Ehrharta |author=Mary E. Barkworth; |authority=Thunb. |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |distribution=Calif.;Pacific Islands (Hawaii);Tex. |reference=gibbs1987a;gibbs1991b;jacobs1993a |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24_30.xml |subfamily=Poaceae subfam. Ehrhartoideae |tribe=Poaceae tribe Ehrharteae |genus=Ehrharta |anther atypical quantity=1;5 |anther coloration=yellow |anther quantity=6 |auricle architecture or pubescence or shape=ciliate |auricle presence=absent |blade architecture=disarticulating |blade shape=linear;lanceolate |caryopse shape=compressed |culm architecture=branching;branched |culm orientation=erect;decumbent |culm position=intravaginal;basal |culm pubescence=pubescent |culm some measurement=6cm;200cm |culm texture=woody |distal floret reproduction=bisexual |floret quantity=3 |floret reproduction=bisexual;bisexual;bisexual;bisexual;sterile;sterile |glume architecture=(3)5-7-veined |glume quantity=1/2 |hair ligule architecture or shape=truncate |hair ligule some measurement=0.5mm;3mm |hair ligule texture=of hairs;membranous |lateral appendage shape=earlike |leaf position=cauline;basal;basal |lemma architecture=5-7-veined;non-stipitate;stipitate |lemma architecture or shape=awned |lemma fragility or texture=firmer |lemma pubescence=glabrous;pubescent;glabrous |lemma relief=smooth;rugose |lemma reproduction=sterile |lemma shape=mucronate;keeled |lemma texture=indurate |lower floret quantity=2 |palea architecture=1-2(5)-veined |palea width=thinner |primary branch orientation=spreading;ascending |sheath architecture=open |sheath shape=terete |spikelet architecture=pedicellate |spikelet architecture or arrangement or growth form=solitary |spikelet shape=compressed;terete |spikelet some measurement=2mm;17mm |style coloration=brown;white |style fusion=free;fused |style quantity=2 |upper floret variability=exceeding the distal floret;equaling |upper lemma size=subequal;or longer |whole_organism duration=perennial;annual |whole_organism growth form=plant |whole_organism reproduction=synoecious |x chromosome quantity=12 }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Ehrharteae]] Templates used on this page: Template:Poaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Reference (view source) Return to Ehrharta.