From pick@discoverlife.org Wed Feb 26 14:18 EST 2003 Received: from [128.192.10.171] (pick11.pick.uga.edu [128.192.10.171]) by dial.pick.uga.edu (8.9.1/8.9.1) with ESMTP id OAA04401 for ; Wed, 26 Feb 2003 14:18:13 -0500 (EST) X-Sender: pick@dial.pick.uga.edu Message-Id: Mime-Version: 1.0 Date: Wed, 26 Feb 2003 14:21:49 -0500 To: merin28@discoverlife.org From: John Pickering Subject: Madagascar Tree Genera Content-Type: text/plain; charset="us-ascii" Content-Length: 8619 Status: RO X-Status: >From: "George E. Schatz" >To: "John Pickering" >Subject: Madagascar Tree Genera >Date: Mon, 17 Jun 2002 10:36:14 -0500 >MIME-Version: 1.0 >X-Priority: 3 >X-MSMail-Priority: Normal >X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 > >Pick, > >Great to talk to you on Friday. I'm really pleased that my Mad Tree genera >dataset has pushed the envelope of 20q! When we get it all together, with >character state thumb nails, common names, and links to illustrations and >descriptions, it's going to be really slick. > >Attached is a file called "Interactive Fields", that groups together logical >subsets of characters/character states. You'll note that all >characters/characters states are spelled out in full, no abbreviations! >With regard to presenting these characters/character states to the user, one >of the great advantages of interactive keys is that a user may utilize >whatever characters/character states are evident in the sample at hand. >Thus, no one character/character state is necessarily more important than >any other; they are all potentially the "key" character/character state. >The user should have access to any and all characters/character states right >from the get-go. So, I am loath to relegate some characters/character >states to a secondary/subsidiary role (with the possible exception only of >the bioclimatic/habitat types, i.e., character states 3-9). > >When it comes right down to it, all of my characters/character states fall >nicely into 4 main categories, and a total of 25 character headings, and >thus, I think, can be accomodated reasonably on a single page (with down >page links to each category). These categories and character headings are >as follows: > >1. Growth Form Characteristics and Exudates > 1.1 Growth Form Characteristics (10-15) > 1.2 Exudate Types (16-19) >2. Leaves > 2.1 Specialized Indument Types (20-21) > 2.2 Leaf Arrangement (22-25) > 2.3 Leaf Type (26-34) > 2.4 Leaflet Arrangement on Pinnately Compound Leaves (35-36) > 2.5 Leaf/Leaflet Margin (37-40) > 2.6 Leaf/Leaflet Venation (41-43) > 2.7 Other Specialized Leaf Characteristics (44-52) >3. Inflorescences/Flowers > 3.1 Inflorescence Position (53-57) > 3.2 Sexual System (58-62) > 3.3 Flower Size (63-64) > 3.4 Flower Symmetry (65-66) > 3.5 Flower Merosity (67-72) > 3.6 Specialized Petal Characteristics (73-74) > 3.7 Stamens Fused (75) > 3.8 Ovary Position (76-77) > 3.9 Carpels Separate (78) > 3.10 Ovary Partitioning (79-84) >4. Fruits/Seeds > 4.1 Fruit Size (85-86) > 4.2 Fruit Texture (87-88) > 4.3 Fruit Dehiscence (89-90) > 4.4 Specialized Fruit Characteristics (91-92) > 4.5 Number of Seeds/Fruit (93-95) > 4.6 Specialized Seed Characteristics (96-98) > >I'll begin assembling character state thumb nails (and/or reference those >you already have up in other plant keys that are appropriate) today. I'll >also begin putting together a file of genus name/authority/common names, as >well as associate each genus with its corresponding images. All but 2 or 3 >of the 501 are represented by line drawings in the book (some of which >illustrate multiple genera), and many are represented by color in situ >vouchered images already on the Madagascar Conspectus Web. So, I'll give >you the URL's to all of those, as well as put all of the tif line drawings >in FTP directory for you to grab. > >Thanks so much for making this vision a reality. I've always really enjoyed >collaborating with people outside of the Garden, and this certainly >reaffirms that conviction. > >George > Fields (and field clusters) for the Genera of Malagasy Trees interactive identification system Fields 1 and 2 are genus and family: Field 1 - Genus Field 2 - Family Fields 3-9 indicate endemism and distribution within Madagascar according to the bioclimatic regions of Cornet (1974), and a specialized habitat: Field 3 - Endemic (to Madagascar and the Comoro Islands) Field 4 - Humid Field 5 - Subhumid Field 6 - Montane Field 7 - Dry Field 8 - Subarid Field 9 - Mangrove/Coastal Fields 10-15: "Growth Form characteristics" Field 10 - Swollen Trunk Field 11 - Stems Photosynthetic Cladodes Field 12 - Umbrella Monocauls Field 13 - Buttresses Field 14 - Stilt Roots Field 15 - Spines/Thorns Fields 16-19: "Exudate types" Field 16 - Exudate White Field 17 - Exudate Yellow Field 18 - Exudate Red Field 19 - Exudate Clear Fields 20-21: "Specialized Indument types" Field 20 - Stellate Indument Field 21 - Lepidote (i.e., scale-like) Indument Fields 22-25: "Leaf Arrangement" Field 22 - Leaves Alternate Field 23 - Leaves Opposite Field 24 - Leaves Subopposite Field 25 - Leaves Whorled Fields 26-34: "Leaf Type" Field 26 - Leaves Simple Field 27 - Leaves Palmately Compound Field 28 - Leaves Unifoliolate "Compound" Field 29 - Leaves Bifoliolate Compound Field 30 - Leaves Trifoliolate Compound Field 31 - Leaves Imparipinnate Compound Field 32 - Leaves Paripinnate Compound Field 33 - Leaves Bipinnate Compound Field 34 - Leaves Tripinnate Compound Fields 35-36: "Leaflet Arrangement on Pinnately Compound Leaves" Field 35 - Leaflets Alternate Field 36 - Leaflets Opposite Fields 37-40: "Leaf/Leaflet Margin" Field 37 - Margin Entire Field 38 - Margin Serrate/Dentate Field 39 - Margin Spinose Field 40 - Margin Lobed/Dissected Fields 41-43: " Leaf/Leaflet Venation" Field 41 - Venation Penninerved Field 42 - Venation Palmatinerved Field 43 - Venation Triplinerved Fields 44-52: "Other Specialized Leaf Characteristics" Field 44 - Leaf Base Asymmetrical Field 45 - Petiole or Rachis Winged Field 46 - Leaf Blade Pellucid or Punctate Field 47 - Domatia in Axils of Secondary Veins with Midrib Field 48 - Nectary Glands present Field 49 - Petiole w/ Pulvinus Field 50 - Leaves Phyllodic Field 51 - Stipules present Field 52 - Leaves Nigrescent (i.e., drying black) Fields 53-57: "Inflorescence Position" Field 53 - Inflorescence Terminal Field 54 - Inflorescence Axillary Field 55 - Inflorescence Leaf-Opposed Field 56 - Inflorescence Epiphyllous Field 57 - Inflorescence Cauliflorous Fields 58-62: "Sexual System" Field 58 - Hermaphrodite Field 59 - Monoecious Field 60 - Dioecious Field 61 - Polygamous Field 62 - Polygamodioecious Fields 63-64: "Flower Size" Field 63 - Flowers Small (< 1 cm) Field 64 - Flowers Large (> 1 cm) Fields 65-66: "Flower Symmetry" Field 65 - Flowers Regular (i.e., actinomorphic) Field 66 - Flowers Irregular (i.e., zygomorphic) Fields 67-72: "Flower Merosity" (i.e., # of parts/whorl) Field 67 - Flowers 2-merous Field 68 - Flowers 3-merous Field 69 - Flowers 4-merous Field 70 - Flowers 5-merous Field 71 - Flowers 6-merous Field 72 - Flowers > 6-merous Fields 73-74: "Specialized Petal Characteristics" Field 73 - Petals Absent Field 74 - Petals Fused for > 1/2 Their Length Field 75 - Stamens Fused Fields 76-77: "Ovary Position" Field 76 - Ovary Superior Field 77 - Ovary Inferior Field 78 - Carpels Separate Fields 79-84: "Ovary Partitioning" Field 79 - Ovary Unilocular Field 80 - Ovary 2-Locular Field 81 - Ovary 3-Locular Field 82 - Ovary 4-Locular Field 83 - Ovary 5-Locular Field 84 - Ovary 6- or > Locular Fields 85-86: "Fruit Size" Field 85 - Fruits Small (< 1 cm) Field 86 - Fruits Large (> 1 cm) Fields 87-88: "Fruit Texture" Field 87 - Fruits Fleshy Field 88 - Fruits Dry/Leathery Fields 89-90: "Fruit Dehiscence" Field 89 - Fruits Dehiscent Field 90 - Fruits Indehiscent Fields 91-92: "Specialized Fruit Characteristics" Field 91 - Fruits Sculptured Field 92 - Fruits (or Persistent Calyx) Winged Fields 93-95: "# of Seeds/Fruit" Field 93 - Fruits 1-Seeded Field 94 - Fruits 2-Seeded Field 95 - Fruits > 2-Seeded Fields 96-98: "Specialized Seed Characteristics" Field 96 - Seeds w/ "Aril" Field 97 - Seeds Winged Field 98 - Seeds Plumose Fields 22-52 could be grouped together under the single header "Leaves" Fields 53-84 could be grouped together under the single header "Inflorescences/Flowers" Fields 85-98 could be grouped together under the single header "Fruits/Seeds" _________________________________________________ John Pickering Office: 706-542-1115 717A Biological Sciences Building FAX: 706-542-3344 University of Georgia Lab.: 706-542-1388 Athens, GA 30602-2602 Department: 706-542-3379 e-mail: pick@discoverlife.org Home: 706-353-7076 URL: _________________________________________________