Friday, November 23, 2012

Lab 12: Core Asterids

Family: Cornaceae
Key features: Leaves opposite (passing the "dogwood test), inferior ovary, fruits a drupe, flowers sometimes subtended by showy bracts


 Cornus florida



 Nyssa ogechee
 
Family: Hydrangeaceae
Key features: Leaves opposite with toothed margin, flowers dimorphic (usually) with outer sterile flowers showy and inner fertile flowers not showy



 Hydrangea cinerea

 Philadelphus deodora

Schizophragma hydrangeoides
 
Family: Ericaceae
Key features: flowers usually pendulous, urn-shaped, anthers open by pores

Rhododendron obtsum

Vaccinium macrocarpon (cranberry)

Vaccinium arboreum

Vaccinium darrowii

 
 Vaccinium corymbosum
Lyonia ferruginea

 Agarista populifolia

Maclenia insignis

Family: Sarraceniaceae
Key features: carnivorous herbs, leaves modified into pitcher like traps, expanded, umbrella-like style

Sarracenia flava

Sarracenia hybrid
Family: Convolvulaceae
Key features: usually vines, milky sap, petals plicate, and fruits usually capsules
Cuscuta (a parasite)


 Ipomoea

Family: Solanaceae
Key features: many members have poisonous alkaloids, fused sepals, fused petals (synapomorphy for Asterids), petals plicate (with fold lines), many ovules and seeds

 Capsicum annuum
 Solanum lycopersicum (= Lycopersicon esculentum)

 Solanum melongena (eggplant)

 Solanum tuberosum (potato)

 Lycium barbarum

 Solanum americanum

  Solanum macrantha

 Solandra maxima

 Physalis philadelphicus

 Nicotiana tobacum

 Nicotiana sp. (hybrid)

 Callibrachoa hybrid

Family: Rubiaceae
Key features:  opposite leaves, interpetiolar stipule

  Psychotria nervosa

 Coffea arabica

 Hydnophytum formicarium (ant plant)

 
Hamelia patens

 
Pentas lanceolata


 Ixora (hybrid)

 Oldenlandia corymbosa

 Spermacoce

 Richardia brasiliensis

Family: Apocynaceae
Key features: opposite leaves, milky sap, corona often present, 2 separate ovaries, but fused style (stylar head)
 Nerium oleander

 Ceropegia sandersonii

 Asclepias curassavica

 Plumerica pudica

 Huernia zebrina

 Orbea halipedicola

Pachypodium greyi

Family: Oleaceae
Key features: opposite leaves, green dots on abaxial leaf surface, 4 petals, 2 stamens

 Ligustrum japonicum

 Chionanthus retusa

 Forestiera segregata

 Ligustrum lucidum (Privet)

 Olea europea (olive)

 Osmanthus fragans

 Fraxinus americana (White ash)
 Family: Plantaginaceae
Key features: biloculate anthers
 Antirrhinum majus


 Rusellia equisetiformis

 Angelonia (cultivar)

Family: Bignonaceae
Key features: trees, shrubs or vines with leaves opposite and pinnately or palmately compound, anthers sagittate and widely flaring, stigma strongly 2-lobed, often foliose and sensitive, fruit and elongate capsule

Tecoma stans 

 Kigelia pinnata

 Handroanthus (Tabebuia) umbellata

 Bignonia capreolata


 
Macfadyenia unguis-cati
Family: Verbenaceae
Key features: stems usually square in cross section, inflorescences indeterminate (most important character to distinguish from Lamiaceae), gynoterminal style, expanded stigma

 Phyla nodifera

 Alosia gratissima
 Duranta erecta

 Stachytarpheta sp.

 Lantana depressa

Lantana montevidensis
Lantana camara

Family: Lamiaceae (Mint Family)
Key features: stems often square in cross section, flowers in cymes (pseudoverticilate) best character to distinguish it from Verbenaceae), rarely gynoterminal to usually gynobasic style, slender style branches



 Leonotis lionurus

Salvia leucantha

 Monarda punctata

 Rosmarinus officinalis

 Mentha spicata


 Ocium basilicum (basil)

 Plectranthus sp.

 Callicarpa americana (beauty-bush)

Family: Apiaceae
Key features: secretory canals containing ethereal oils and resins (carroty odor), sheathing leaf bases with usually compound leaves, inflorescence and umbel, stylopodium (style +/- swollen at base to form a nectar secreting structure atop of the ovary)
 Ptilinmium capillaceum (Mock Bishop's weed)

 Spermolepis divaricatus

 Coriandrum sativum

 Anethium graveolens

 Daucus carota

Family: Araliaceae
Key features: like Apiaceae, but usually trees or shrubs!
 Aralia spinosa

 XFatshedera ("Fatsia")