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Plant Taxonomy 2015 Study Guide for Quiz Wednesday, September 16 Floral Morphology

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Plant Taxonomy 2015 Study Guide for Quiz Wednesday, September 16

Floral Morphology

Be sure you can label all the floral parts on Figure 4.16 in Judd et al. You need to be able to identify, define and label the stigma, ovule, carpel, gynoecium, filament, stamen, androecium, petal, sepal, calyx , corolla, perianth, pedicel, bract, anther, connective, ovary, style.

Understand difference between complete vs. incomplete flowers.

Understand difference between bisexual vs. unisexual flowers; monoecious vs. dioecious.

Understand difference between carpellate and staminate flowers.

Patterns of floral symmetry: actinomorphic (radial), zygomorphic (bilateral)

Funnelform vs. Salverform corollas

Apo- (distinct) vs. Syn- or Sym- (connate) as in syncarpous, apocarpous, sympetalous, apopetalous etc: see pg. 64 Judd et al.

How is adnate different from connate? What are the four floral whorls?

Number of parts: 4-merous, 5-merous etc.

Insertion types and inferior vs. superior ovary: study Judd et al Figure 4.21: hypogynous with superior ovary, epigynous with inferior ovary (conspicuous or inconspicuous hypanthium); what is a hypanthium? Perigynous with superior ovary (hypanthium=floral cup)

Placentation: axile and parietal especially, see Judd et al Figure 4.22

Miscellaneous terms: locule, tetradynamous, monadelphous stamens, diadelphous stamens, exserted, included

The Angiosperm Life Cycle (Study J&C Figure 4.17 on page 63)

Be able to define, label, and know the ploidy level and function (and whether mitosis or meiosis was involved) where appropriate of:

Microsporangium, microsporocyte, microspore, microgametophyte, pollen, intine, exine, columella, tectum, generative nucleus, vegetative nucleus, pollen tube, sperm nuclei and how many (2), double fertilization and what it means, micropyle, endosperm, megasporangium, megasporocyte, megaspore, megagametophyte, egg cell, antipodal cells, synergid cells, polar nuclei, testa, tegmen, nucellus, reduction of the gametophyte and how it relates to green plant phylogeny, alternation of generations, zygote, gametes, sporophyte, gametophyte, haploid, diploid, triploid, mother cell, seed coat, surviving megaspore, mature female gametophyte consists of 8 nuclei in 7 cells (usually), endosperm is triploid nutritive tissue for the developing embryo, pollen contains the mature male gametophyte, male gametophyte is NOT the same as sperm

Sight ID plant list for lab portion of Quiz:

Euphorbia (term to know: cyathium) in the EUPHORBIACEAE

Tribulus (terms to know: schizocarp, actinomorphic vs. zygomorphic=bilateral symmetry) in the ZYGOPHYLLACEAE

Chamaesyce (terms to know: serrate, pubescent) in the EUPHORBIACEAE

Ipomopsis (term to know: exserted) in the POLEMONIACEAE

Sphaeralcea (term to know: monadelphous) in the MALVACEAE

Hesperidanthus (terms to know: tetradynamous, silique, clawed petal) in the BRASSICACEAE

Phaseolus (term to know: keel= 2 fused petals, papilionaceous) in the FABACEAE

Guilleminea in the AMARANTHACEAE

Helianthus (terms to know: phyllary, Involucre) in the ASTERACEAE

Juncus (term to know: rhizome vs. stolon) in the JUNCACEAE

Castilleja (terms to know: hemiparasite vs. holoparasite) in the OROBANCHACEAE

Boerhavia (term to know: involucre) in the NYCTAGINACEAE

Croton (term to know: dioecious) in the EUPHORBIACEAE

Solanum (term to know: sympetalous) in the SOLANACEAE

Mentha (term to know: anthocyanins) in the LAMIACEAE

Berula (term to know: umbel) in the APIACEAE

Anemopsis (term to know: Magnoliid) in the SAURURACEAE

Verbena in the VERBENACEAE

Kochia (term to know: betalains) in the CHENOPODIACEAE

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