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Guide to Common Forest-Zone Plants Willamette, Mt

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Guide to Common Forest-Zone Plants Willamette, Mt United States Department of Guide to Common Agriculture Forest-Zone Plants Forest Service Pacific Willamette, Mt. Hood, and Northwest Region Siuslaw National Forests 1982 • PROPEWN OP: FOREST BEIRMIE MAW 11.51 U.FORESTRY S. SCIENCES LN.,i3ORATCRY CORVALL,R,, OREGON Guide to Common Forest-Zone Plants Willamette, Mt. Hood, and Siuslaw National Forests Compiled By Christopher Topik, Graduate Student, University of Oregon Miles A. Hemstrom, Area Ecologist United States Forest Service R6-Ecol 101-1982 Department of Pacific Northwest Region May 1982 Agriculture ri r ir-Ir This guide contains brief descriptions and line drawings of the most common woodland vascular plants of the Willamette, Mt. Hood, and Siuslaw National Forests. Site descriptions will be less accurate for other areas, though this booklet will be useful throughout Western Oregon north of Douglas County. The guide is intended to aid land managers and forest technicians in making accurate floral identifications. Knowledge of the vegetation is the first step in applying resource-based land mananagement including the land management guidelines developed by the Area Ecology Programs habitat-typing projects. The floral composi of a site is largely due to environmental effects; the species composition persisting in our woodlands has integrated over time climatic and soil interactions. Therefore careful observation of a sites flora can provide productivity and environmental sensitivity information. LL saqe4S a!-J!-PPd aq q jo e.AoLd paqe.AlsnIAT uo (696I SS@d P P-A0 P-L P D Jo kl!.s.,tatqun zunw 2JoLd e!.u.k04qe3 V t4s!.nbuo.A3 pue looxiol!.H u!. papnLaq lou 0iP pup uo!.6aJ Le.Aoij nok!As!.s aqq oq pane a.42 q p !.qm sapads 1.1equop sqsaJoj Leuo11eN meLsni_s pu p aqqawemm aql io suo!.q.,kod uJaq;nos aqi (aLlleas uoq6uNsem jo RIA.s.lan!.un 6961 P uP 1961 6561 ` SSW uosdwo q l M •p pup Aaqumo -w fiq sued pue ls!.nbuo.43 >100D(4014H 4qsamii4JoN D LIP P ci @Lig 40 squeLd xeLnoseA eJoij awnLon 9 agaLdwoo auk woJj uo!.sspi.Aad qq!.m ualel a.Aam sbu!.me.Ap au!.L aqi (EL6I ssaJd uoqbuqsm jo Aq!.s.Aan!.un) qsobuo.A3 Jnqq..tv pue >IDODL/D1LH oaf D fici lsam41.10N PJ!-PPd @Lig jo e.AoLA 4 uo , 6a.,4 SQL Joj 2JoL4 a/q1eqHoqqne aq; 6u!..11. nsuop @AIL OAUL ppoqs suoyleD!.j!.quap!. a/qq!.sod Lio!_1231.1uap pue uo!.qeJedas k!.unwwoo lueLd JOJ sauo aqq Janamoq axe paq!..Aosap sapads aqi -sapads paJa6u p pua xo paualeaJql jo suoy;d!...ipsap u!..equoD qou saop 1i pu psapads JO 2.4aua5 40 6u!.qsH. alaLdwop P qou tseaJe paqsa.loj ui punoj sapads UOMOD sow aq; XLuo @JP asaqi • (squed Dq!.se.ted 8 pue squeid a)m. sse..16 6 sq...taq E9 SUJ@J. 6 sqn.Aqs 89 `saa.Aq 8z) papnpu!. @JP sapads 98T jo suo!.;d!..Aosao (by Leroy Abrams, in 4 volumes, 1940, 1944, 1951, 1960; Stanford University Press) are suitable references for that area. Organization of the guide is first by growth form (tree, shrub, fern, herb, grass, parasite) and second, for the herbs, by systematic ordering of the plant families as done by Hitchcock and Cronquist. This ordering of plant families places simple or reduced flower types first and complex, specialized flower types later. Because the first separation is by growth form (an arbitrary character), members of the same plant family can be found in different sections of the guide. We have attempted to keep technical botanical language to a minimum without sacrificing precision. Some words will be unfamiliar to most casual users, but they can be readily found in a dictionary. Before using the guide in the field, we recommend that the user check for unfamiliar words and jot down key definitions where necessary. This booklet can not substitute for a botanical education, but it can help refresh and guide the user to the most common local species. iii 1 I 1 nL sapads L pp oL llp JOJ sLaciel. ;ua!.uanuop puP anbqun JaJJo sapo p Jalndwop eq t)poq leg; woJJ ost. p axe sapoo ,Aagndwo p s xo ti aqi W I P UP U0SlJJP9 V 9 kg 9L6I 4 9V-MNd 1.1@9 SJ vasn `Pa qqt) s!.skLeuv pu p AXoquanui waqskso p ] ..AoJ sLoquiSs pup sawPN lueLd 4samii4..10N 1.114m aDu p pJone u!. 4. 12sow axe ap!.n6 aq; ;n0q6no..tql pasn saweu U0WWOD aqi • sapads luaJaJJ!.p of padde s!. aweu uowwoD awes aq; sawo. 4e pue sapads awes aql oq yq. cldp sawp u U0WWOD LPJ@A@S tsawPu 1!.o!.!Axa pue anbun JaJJo auoLe kaqq asne.p aq paJn1PaJ axe SOWPU Thp.quaps aqi • (sal!.sP.led 4slueLd mill- sspx6 SUJ@ 4 sqn.Aqs 4 saa..11) apo6 aqq Jeadd p Aaq; q p !_qm u!. pals!.1. aJe sapads aqi suo!ld!...i p sap sapads aqq sapa paJd s;uaquo p Jo alAP2 V squeLd ;uegaodw!. sat Jo uot.lpow.;uap!. p!_ p o; papnpul axe sapads (sa!...uagailDnq) wnoppeA puP t (sa!...uacpi pp Lq) snqnd 4 (s,..qJ an.4) S@lCIV UOWWOD aq; Jo sols!....lag pexeq p p !.lsou6e!.p Jo saLq p ; XXemns pasnJuo p ualJo axe t♦DNm saioads Jo Jaqwnu P uyequoD aq .; 1.4 PJaua6 lup punqe ;sow aqq Jo aa.Aqi r Each species description includes: the scientific and common name the computer code a brief on the most likely sites where the plant will be found in this area key identification features of the species, focusing particularly on those characteristics which separate it from other similar species its plant family (according to Hitchcock and Cronquist) illustrations of key features. At the end of the guide there are 2 indices of all plants. The first orders the species by their common names and the second orders them by their Latin names. We thank the University of Washington Press for the use of the excellent drawings by Jeanne R. Janish (Compositae by John H. Rumely). LA 91 IS1V G PO e >.:O seqPnui.s snuiv si alv -4a P1 P P a e.Acin.4 snuLv poomuoqlooVI alOd >i p eN ed..A2poLip4. snindod aLdew 4eaL-Eqqv1 VW3V wrILL4gdo.lopw .4@DV EI 3M3V auo,pewLsa4zuaw sn4nqJv >leo arwAm uo6a..ioET von0 euTAB snpJan0 ZI 30V1 to.AeL u.,aqsam sie;Liapppo x!..he; JepaZI ONH3 p moL1a4 e>,,seLy ssual,,e)qoou siJed5ewe4.40 ,epaII E30V3 p asuap ut sua,,,noap srupapote3 IT ldHi Jepao pa.4 u.Aaqsam P;PpiclTrTITii auto )1..Aecia;qmCI 1Vld sLnepiat snLqd au0 auoOT IVId p ciou) e;enua4;.2 snu!:1 6 031d au!.d aLoda6poL 2",..40;u0D snL4ci 6 OaId aiqd esoJapuod esoJapuod snue 8 OWId u4 a:;.NrA uxaqsam Pipp!.;uow snud 8 VlId au0 Je6ns eJei;.AaqweL snu, L ISIc aonJos e>;:,9 ssua4D-..,,i.s eapj L:...._Uu26.1aDua PaDid L N3Id apn.4as uue4uLa6u3 mai(9 aVi p j.ped PLoj.:Aa.Aq snxei 9 3WSd ..A!.-seL5n0G 1.sa,zuaw epns;o2.1.?si S 3WSI >polwau, uleg.unow eueLsua;.4au 2T u.ia;samS 3HS.1. eiAdo.la;a4 erTisi V SDIISIdILDVbVH:i 13 -",.:.- .10 Ya/..;_AwAriE____ .414 pa...4 e;setisE SVNOV SiSua4S2LiS • .A2A 2D14iUD2w bdOV allou eJaPPA saqv bOOV pup ,n -s:puPa ODSV &;!.1,14 -A010DuOD SaiqV auo I ZV1EIV L eqns ed.4eoc:seL sagt4 JaALWV8V ! s D !. j,Ded SL:tg2w2 SaLqv 3001 3WVN NOW-OD39Vd b31AdW03 SWV% laplooq ui ap ueJeadde UL s7.,e,G SiN3iNO3 30 318V1 !It 1[11-11- Table of Contents cont. SHRUBS SCIENTIFIC NAME COMMON NAME COMPUTER PAGE CODE Salix scouleriana Scoulerss willow SASC 16 Cornus nuttallii Pacific dogwood CONU 16 Corylus cornuta hazelnut COCO 17 Castanopsis chrysophylla chinquapin CACH 17 Berberis aquifolium Oregon grape BEAQ 18 Berberis nervosa dwarf Oregon grape BENE 18 Ribes sanquineum red currant RISA 19 Ribes viscosissimum sticky currant RIVI 19 Ribes bracteosum stink currant RIBR 20 Tiles lacustre prickly currant RILA 20 Philadelphus lewisii Lewis mockorange PHLE2 21 Whipplea modesta whipplevine WHMO 21 TifieTa-rTc—hi 7ii7-71711-folia western serviceberry AMAL 22 Holodiscus discolor ocean spray HODI 22 Oemleria (Osmaronia) cerasiformis indian plum OSCE 23 Physocarpus capitatus Pacific ninebark PHCA3 23 Prunus emarqinata bitter cherry PREM 24 Rosa gymnocarpa baldhip rose ROGY 24 Jbus pedatus strawberry leaf blackberry RUPE 25 Rubus lasiococcus dwarf bramble RULA 25 Rubus nivalis snow dewberry RUNI 25 Rubus Teucodermis blackcap RULE 26 Rubus ursinus trailing blackberry RUUR 26 Rubus spectabilis salmonberry RUSP 27 Rubus parviflorus thimbleberry RUPA 27 Rubus procerus Himalayan blackberry RUPR 28 Rubus laciniatus evergreen blackberry RULA2 28 SUMRARY TABLE OF RUBUS CHARACTERISTICS 29 Sorbus sitchensis Sitka mountain ash SOSI 30 Sorbus scopulina Cascade mountain ash SOSC 30 Spiraea densifora subalpine spiraea SPDE 31 Spiraea douglasii Douglas spiraea SPDO 31 Rhus diversiloba poison oak RHDI 32 Pachistima myrsinites Oregon boxwood PAMY 32 Acer circinatum vine maple ACCI 33 Acer glabrum Douglas rocky-mountain maple ACGL 33 CEYFlous sanquineus buckbrush CESA 34 Ceanothus integerrimus deerbrush ceanothus CEIN 34 Ceanothus velutinus snowbrush CEVE 34 Rhamnus purshiana cascara buckthorn RHPU 35 Oplopanax horridum devils club OPHO 35 Penstemon cardwellii Cardwells penstemon PECA3 36 Lonicera cillosa trumpet honeysuckle LOCI 36 vii 1 1 1 1 1 I 1! 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