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Details Title: Systematics Families Description: Cornales/Ericales Total Flash Cards: 10 Created: 10/12/2005 17:32:03	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term CORNALES Definition Cornus, Alangium, camptotheca, nyssa, davidia, diplopanax, mastixia, curtisia, hydrangeaceae, loasaceae, grubbiaceae, hydrostachyaceae Term CORNACEAE: cornus Definition 60 spp. Hermaphroditic trees, shurbs, rarely herbs. 4- or 5- merous fls, inferior ovary, 2-carpellate ovaries, epigynous disk, drupaceous fruits. germination valve in fruit stone Term CORNACEAE: genera Definition *Alangium* 19 spp. tropical *Davidia* dove tree, 1 sp, China *Camptotheca* tree of joy 1 sp. Chia, Fruit samaroid, different from others (drupaceous) *Nyssa* Sour gum 7-10 spp, E. Asia, E. N. Am. *Diplopanax* a living fossil 1 sp, big tree, China and N. Vietnam, thought extinct 5 mil. years ago *Mastixia* 13 spp. SE Asia Sharing two armed unicellular hairs with cornus, sister to dogwoods Term CORNACEAE: CORNUS Definition 4 groups of Cornus, all have: 4-merous flowers, 4-sepals connate 4-petals distinct, in compound cyme, head, or umbellate, 2-carpels fused, inferior ovary, drupe, opp. simp. lvs w/ two-armed appressed hairs on surface. Ca4, Co4 A4 G:2:1 *economic importance* ornamentals, fruits as medicines & industrial oils Term ERICALES Definition 25 families, 9450 spp. Major families: Actinididaceae (kiwi), chethraceae, cyrillaceae, ebenacae, ericaceae, lecythidaceae, myrinaceae, polemoniaceae, primulaceae, sarraceniaceae, sapotaceae, styracaceae, ternstroemiaceae, theaceae, theophrastaceae Term ERICACEAE: heath family diagnostics: Definition trees, shrubs, lianas, herbs w/o clorophyll, associate with mycorrhizal fungi. LVS variable, alt, opp, whorl, simple, entire or serrate, estipulate. Flowers perfect, mostly urceolate corolla, tubular or funnelform. capsule berry or drupe. anthers inverted, 2 or 1 locular, usually openeing by 2 apical pores, w/2 awns or apex narrowed forming tubules. style 1, hollow, internally fluted, fruit a septicidal or loculicidal capsule, berry, 1 or several pitted drupe. Term ERICACEAE: Rhododendroid clade Definition protective bracts at the inflo. base, septicidal capsules, usu showy, more or less bell shaped, bilateral flowers, non appendaged anthers Term ERICACEAE: Phyllodocoids clade Definition septicidal capsules, radial flower Term ERICACEAE: Bricoid clade Definition persistent corolla, all related to wind pollinated empetroids Term ERICACEAE: vaccinoid clade Definition inferior ovaries, plus lyonia, pieris, leucothoe, gaultheria, andromeda.. with superior ovaries, usu. urceolate corolla