Qualitative survey of Humiriaceae for extrafloral nectaries and leaf margin features. For abaxial glands not near margins, relative exmedial distances (midvein to margin) are indicated where patterns are apparent. in Insights on the systematics and morphology of Humiriaceae (Malpighiales): androecial and extrafloral nectary variation, two new combinations, and a new Sacoglottis from Guyana

Qualitative survey of Humiriaceae for extrafloral nectaries and leaf margin features. For abaxial glands not near margins, relative exmedial distances (midvein to margin) are indicated where patterns are apparent.
TaxonAbaxial glandsBasilaminar (adaxial) glandsLeaf margin featuresRepresentative voucher(s)DuckesiaD. liesneri (Cuatrec.) K. Wurdack & C.E. ZartmanAbsent1-2 pairs at marginCrenate, setae presentLiesner & Carnevali 22589 (US, holotype)D. verrucosa (Ducke) Cuatrec.Sparse, 0-3 per leaf, 2/3 exmedial distanceAbsentCrenate, setae present, largeDucke 2106 (US)EndopleuraE. uchi (Huber) Cuatrec.Row near marginAbsentCrenate, setae long and scars largeAssunção 605 (US)HumiriaH. balsamifera var. coriacea Cuatrec.Marginal, along proximal thirdAbsentEntireCardona 1823 (US, holotype)H. balsamifera var. floribunda (Mart.) Cuatrec.Marginal, along entire lengthAbsentEntireMaguire & Politi 27974 (US)H. balsamifera var. guaiquinimana Cuatrec.Marginal, along proximal thirdAbsentEntireCardona 1112 (US, holotype)H. balsamifera var. guianensis (Benth.) Cuatrec.Marginal, along entire lengthAbsentEntireSchomburgk 270 (US, isotype)H. balsamifera var. iluana Cuatrec.Marginal, along proximal halfAbsentEntireMaguire 33388 (US, holotype)H. balsamifera var. imbaimadaiensis Cuatrec.Marginal, along proximal halfAbsentEntireMaguire & Fanshawe 32158 (US, holotype)H. balsamifera var. laurina (Urb.) Cuatrec.Marginal, along entire lengthAbsentEntireSchomburgk 560 (US, isotype)H. balsamifera var. minarum Cuatrec.Marginal, along entire lengthAbsentEntireMexia 5815 (US, holotype)H. balsamifera var. parvifolia (A. Juss.) Cuatrec.Marginal, along proximal halfAbsentEntireSt. Hilaire (US, isotype fragment)H. balsamifera var. pilosa (Steyerm.) Cuatrec.Marginal, along entire lengthAbsentEntireSteyermark 60289 (NY, isotype)H. balsamifera var. savannarum (Gleason) Cuatrec.Marginal, along entire length or proximal halfAbsentEntireTate 330 (NY, type); J. Wurdack & Monachino 41380 (US)H. balsamifera var. stenocarpa Cuatrec.Marginal, along entire lengthAbsentEntireMaguire & Maguire 40105 (US, holotype)H. balsamifera var. subsessilis (Urb.) Cuatrec.Marginal, dense along entire lengthAbsentEntireSpruce 2454 (US, isotype)H. crassifolia Mart.Marginal, sparse, denser at base and apexAbsentEntireHuber & Fernandez 11331 (US)H. fruticosa Cuatrec.Marginal, 2-4 per side near baseAbsentEntireMaguire et al. 36580 (US, holotype)H. wurdackii Cuatrec.Marginal, along entire length, widely spaced; absent on very narrow formsAbsentEntireJ. Wurdack & Adderley 42760 (US, holotype); Huber 4842 (US), narrow-leavedHumiriastrumH. columbianum (Cuatrec.) Cuatrec.Sparse abaxial; absent on type, save for a few erratic structures that could be damage.AbsentSerrate, setae longLamb 141 (US, holotype); best gland evidence is on Gentry & Stein 46898 (US); Romero Castañeda 4942 (US)H. cuspidatum (Benth.) Cuatrec.Small, sparse, near margin1 pair, ellipticCrenate, setae long and thinJ. Wurdack & Monachino 40881 (US)H. cuspidatum var. glabriflorum (Ducke) Cuatrec.Small, sparse, near margin1 pair at margin (sometimes a single gland)Serrate, setae scarsDucke [JBRJ-23436] (US, isotype)H. cuspidatum var. subhirtellum Cuatrec.Small, sparse, near margin0-1 pairSerrate, setae presentFróes 25463 (US)H. dentatum (Casar.) Cuatrec.Small, sparse, near margin1 pair at margin, nearly abaxialSerrate, setae presentHatschbach 4294 (US)H. diguense (Cuatrec.) Cuatrec.Along secondary vein loops toward margin1-3 pairs at margin, nearly abaxialCrenate, setae scarsCuatrecasas 14956 (US, isotype)H. diguense var. anchicayanum (Cuatrec.) Cuatrec.Along secondary vein loops toward margin1 pair at margin, nearly abaxialCrenate, setae scarsCuatrecasas 14418 (US, isotype)H. diguense subsp. costaricense Cuatrec.Along secondary vein loops toward margin, relatively sparse1 pairCrenate, setae relatively stout, clearly terminating veinsAllen 5812 (US, holotype)H. excelsum (Ducke) Cuatrec.Near secondary vein loops toward margin, relatively sparse1 pair at marginCrenate, setae presentMuseu Goeldi 9672 (US)H. glaziovii (Urb.) Cuatrec.Absent1 pair at margin, nearly abaxialSerrate, setae presentPabst 4726 (US)H. glaziovii var. angustifolium Cuatrec.Absent1 pair at margin, nearly abaxialCrenate, setae scarsGlaziou 16724 (US, holotype)H. mapiriense Cuatrec.Sparse, toward margin0-2 pairsCrenate, setae scarsBuchtien 1518 (US, isotype)H. melanocarpum (Cuatrec.) Cuatrec.Very rare on few leaves, scattered, hard to distinguish from potential leaf damageAbsentCrenate, with setaeCuatrecasas 19909 (US); best gland evidence is on Prance 28055 (US)H. mussunungense Cuatrec.Absent0-1 pair at margin, nearly abaxialCrenate, setae presentFolli 1393 (US, holotype)H. obovatum (Benth.) Cuatrec.Sparse, scattered0-1 pair at margin, nearly abaxialSubentire, setae scars sparse, hirsuteSchomburgk 1359 (US)H. ottohuberi Cuatrec.Row near margin1-3 pairs, ovalObscurely crenate, setae presentSteyermark & Bunting 102442 (US, holotype)H. piraparanense Cuatrec.Tiny, sparse, near margin1-2 pairsCrenate, setae scarsSchultes & Cabrera 15922 (US, holotype); glands better developed on García-Barriga 14287 (US)H. procerum (Little) Cuatrec.Towards margin along loops between secondary veins1(-2) pairs at marginCrenate, setae scarsLittle & Dixon 21148 (US)H. subcrenatum (Benth.) Cuatrec.Absent1 pair at marginCrenate, setae scarsMartin s.n. (US, type fragment)H. villosum (Fróes) Cuatrec.Tiny, sparse, in row near margin1 pair at margin, smallSerrate, setae scarsHumbert & Schultes 27363 (US)HylocarpaH. heterocarpa (Ducke) Cuatrec.Large, erratic, near secondary or intersecondary veins, 1/2-2/3 exmedial distanceAbsentSubentire, setae scarsDucke [JBRJ-30137] (US, isotypeSacoglottisS. amazonica Mart.Small, near margin1 pairObscurely crenate, setae scarsJ. Wurdack 293 (US)S. ceratocarpa DuckeRelatively large, near margin1 pair, large, narrowly elliptic, at margin of leaf base extensionSubentire, setae presentFróes 21192 (US)S. cydonioides Cuatrec.Tiny, near margin1 pair, elliptic, sometimes largeSerrate, tooth tips with darkened spots (setae scars?)B.W. [Surinam Forestry Dept.] 4720 (US)S. gabonensis (Baill.) Urb.Absent1(-2) pairs at marginCrenate, setae presentMcPherson 13714 (US)S. guianensis Benth.Small, row near margin0-1 pair at marginShallowly crenate; setae present, more persistent than is typicalSchomburgk 574 (NY, syntype)S. guianensis var. hispidula Cuatrec.Tiny, near marginAbsentSerrulate, setae scarsKrukoff 6653 (US, holotype)S. guianensis var. maior DuckeSmall, row near marginAbsentCrenate; setae more persistent than is typicalDucke [JBRJ- 23818 (US, isotype)S. holdridgei Cuatrec.Small, row near margin1(-2) pairsShallowly crenate, setae scarsHoldridge 5164 (US, isotype)S. maguirei Cuatrec.Sparse (0-2), tiny, near leaf apex margin, most leaves lackingAbsentShallowly crenate, setae scarsMaguire et al. 30693 (US, holotype)S. mattogrossensis var. subintegra (Ducke) Cuatrec.Small, sparse, near marginAbsentSubentire, setae scars obscureDucke [JBRJ-23820] (US, isotype)S. ovicarpa Cuatrec.Absent1 pairSubentire, setae scarsCuatrecasas 17226 (US)S. perryi K. Wurdack & C.E. ZartmanTiny, near margin1 pair, relatively small, obscureShallowly crenate, setae presentMcDowell 2920 (US)S. trichogyna Cuatrec.Absent1 pairShallowly crenate, setae scarsHoldridge 5216 (US, isotype)SchistostemonS. auyantepuiensis Cuatrec.Tiny, with reticulate veins near margin1 pair, large ellipticVery obscurely crenate, setae scarsDavidse & Huber 22804 (US)S. densiflorus (Urb.) Cuatrec.Small, row near margin0-1 pairObscurely crenate, setae presentSchomburgk 543 (US isotype)S. dichotomus (Urb.) Cuatrec.Small, row near margin1 pairCrenate, setae scarsSabatier 989 (US)S. fernandezii Cuatrec.Near margin1 pair, ovalObscurely crenate, small setae presentFernandez 2276 (US, holotype)S. macrophyllus (Benth.) Cuatrec.Row near margin, widely spaced1 pair, ellipticShallow teeth, setae scarsDucke 1744 (US)S. oblongifolius (Benth.) Cuatrec.Near margin1-2 pairsSmall, shallow teeth, setae scarsMaas et al. 6804 (US)S. reticulatus (Ducke) Cuatrec.Near margin1-2 pairs at base, up to 3 per side near apexObscurely crenateDucke [JBRJ- 23819] (US, isotype), Klug 1564 (US)S. reticulatus var. froesii Cuatrec.Near margin1 pair at base, no glands at apexSubentire, setae scars sparseFróes 21370 (US, isotype)S. retusus (Ducke) Cuatrec.Near margin, relatively regular all the way to tip1 pair, largeSubentire, setae scars sparseCuatrecasas 7203 (US)S. sylvaticus SabatierRow near margin1-2 pairs at baseVery obscurely crenate, setae scarsLoubry 1074 (US)VantaneaV. bahiaensis Cuatrec.Tiny, near secondary or intersecondary veins1 pairEntireBelém & Magalhães 748 (US); Carvalho & Gatti 484 (NY, holotype)V. barbourii Standl.Near secondary or intersecondary veins1 pairEntireHartshorn 2139 (US)V. celativenia (Standl.) Cuatrec.Row 1/3 exmedial distance1 pair, often others near baseEntireKrukoff 7182 (US, isotype)V. compacta (Schnizl.) Cuatrec.Tiny, near intersecondary veins near margin0-4 pairs per sideEntireHatschbach 21265 (US)V. deniseae W.A. RodriguesNear secondary or intersecondary veinsAbsentEntireFreitas et al. 860 (US)V. depleta McPhersonNear secondary veins, row half exmedial distance1 pairEntireMcPherson & Stockwell 10892 (US, isotype)V. guianensis Poir.ScatteredAbsentEntireMaguire et al. 56006 (US)V. macrocarpa DuckeScatteredAbsentEntireDucke 2230 (US)V. magdalenensis Cuatrec.Tiny, near secondary and intersecondary veins1 pairEntireLamb 133 (US, holotype)V. micrantha DuckeScatteredAbsentEntireDucke 751 (US)V. minor Benth.Large, sparse, proximal half near primary veinAbsentEntireLiesner 23974 (US)V. morii Cuatrec.Absent2(-4) pairsEntireMori & Benton 13181 (US, holotype)V. obovata Benth.Near secondary or intersecondary veins1-2 pairsEntireAnderson et al. 36781 (US)V. occidentalis Cuatrec.Large, near intersecondary veins, row 1/3 exmedial distanceAbsentEntirePatiño 12 (US)V. ovicarpa SabatierTiny, close to secondary veins0-1 pair, rarely others near baseEntireGranville 10792 (US)V. paraensis DuckeNear secondary or intersecondary veins1 pair, often others along secondary near baseEntireDucke [JBRJ-23430] (US)V. parviflora Lam.Along loops of secondary veins, near marginRow of 2-4(5) pairs, usually close to mid-veinEntirePrance et al. 17770 (US)V. parviflora var. puberulifolia Cuatrec.Along loops of secondary veins, near margin, usually surrounded by vein2 (1-3) pairs, closer to midveinEntireDucke [JBRJ-23428] (US, holotype)V. peruviana J.F. Macbr.Large, row, mostly near intersecondary veins, 1/4-1/3 exmedial distanceAbsentEntireRimachi 4577 (US)V. spichigeri A.H. GentryRow, 1/5 way to margin, often near secondary veins1-2 pairsEntireAbadie s.n. 12-9-74 (US), Spichiger et al. 1743 (NY, isotype)V. spiritu-sancti (Cuatrec.) K. Wurdack & C.E. ZartmanSparse, small along secondary or intersecondary veins, half exmedial distance1-2 (type); 5-7 pairs along proximal edgeEntireDolcolmo [JBRJ-86212] (US, isotype fragment); Silva et al. 1436 (US), more abundantV. tuberculata DuckeAlong secondary veins, half exmedial distanceAbsentEntireDucke [JBRJ-30134] (US, isotype)