Character/Data Set Information
Families of Angiosperms by Bertel Hansen & Knud Rahn
Search
Hansen, B. & K. Rahn. 1969. Determination of angiosperm families by means of a punched card system. Dansk Botanisk Arkiv 26.
Character List
1: habit [Unordered List]
2: important diagnostics [Unordered List]
- 1. aquatic plants, leaves floating or submerged (41 taxa)
3: hairs [Unordered List]
- 4. 2-armed or T-shaped, non-glandular (54 taxa)
- 8. vescicular or bladder-like (11 taxa)
4: leaf: position [Unordered List]
5: leaf: nature [Unordered List]
6: leaf: venation [Unordered List]
- 1. pinnate or hardly visible in leaves or leaflets. (369 taxa)
- 2. invisible or leaves 1-nerved (29 taxa)
- 3. longitudinal in leaves or leaflets (88 taxa)
- 4. palmate in leaves or leaflets (78 taxa)
7: margin [Unordered List]
8: leaf: epidermis [Unordered List]
- 1. epidermis of leaf papillose (122 taxa)
9: leaf: glands/ligule [Unordered List]
- 1. with pellucid or glandular dots or lines (86 taxa)
10: leaf: stipules [Unordered List]
11: inflorescence [Unordered List]
- 9. compound, sympodial or monopodial (205 taxa)
12: flower: sexuality [Unordered List]
13: flower: symmetry [Unordered List]
14: flower: receptacle [Unordered List]
- 2. enlarged, completely united with the ovary, totally or partially covering it (126 taxa)
- 3. enlarged, totally or partially free from the ovary (81 taxa)
- 4. enlarged, conical or hemispherical (42 taxa)
15: flower: disc [Unordered List]
16: flower: perianth number [Ordered List]
17: flower: perianth nature [Unordered List]
- 1. perianth of similar segments (190 taxa)
- 2. perianth of calyx and corolla (300 taxa)
18: flower: sepal number [Ordered List]
19: flower: sepal position [Unordered List]
20: flower: sepal nature [Unordered List]
- 1. sepals imbricate or contorted (284 taxa)
21: flower: petal number [Ordered List]
22: flower: petal position [Unordered List]
23: flower: petal nature [Unordered List]
24: flower: corona [Unordered List]
- 1. present, or scales in the throat (22 taxa)
25: stamen: number [Ordered List]
26: stamen: symmetry [Unordered List]
- 1. the same number as and opposite the petals or alternate with the sepals (75 taxa)
- 2. flowers obdiplostemonous (28 taxa)
27: stamen: anthers [Unordered List]
- 5. opening by longitudinal slits (389 taxa)
- 6. opening by apical pores (58 taxa)
28: stamen: filaments [Unordered List]
- 4. connate into 1 tube or bundle (121 taxa)
- 5. connate into separate bundles (37 taxa)
29: stamen: other characters [Unordered List]
- 1. anthers with a conspicuous appendage (53 taxa)
- 2. pollen coherent into pollinia or wax-like masses (4 taxa)
30: pistil: gynophore [Unordered List]
31: pistil: style [Unordered List]
- 1. styles absent, stigmas sessile (149 taxa)
- 3. style 1, or styles more or less connate (350 taxa)
32: pistil: carpel [Ordered List]
33: pistil: ovary [Ordered List]
34: pistil: ovule [Ordered List]
35: pistil [Unordered List]
- 1. carpels free from each other or carpel 1 (128 taxa)
- 2. ovules parietal, carpels connate (93 taxa)
- 3. ovules axile, carpels connate (311 taxa)
- 4. ovules attached to the central axis or ventrally in apocarpae (342 taxa)
- 5. ovules attached to the apex of the ovary (135 taxa)
- 6. ovules attached to the base of the ovary (132 taxa)
36: fruit: type [Unordered List]
37: fruit: seed [Ordered List]
38: seed: aril [Unordered List]
- 1. arillus or arill-like organs present (64 taxa)
39: seed: embryo [Unordered List]
40: seed: cotyledons [Unordered List]
41: seed: endosperm [Unordered List]
42: distribution [Unordered List]
Groups
- 1: General
- 2: Leaves
- 3: Flowers
- 4: Stamen
- 5: Pistil
- 6: Fruit/Seed
Copyright: |
(c) Christopher A. Meacham, used with permission. |
References: |
Hansen, B. & K. Rahn. 1969. Determination of angiosperm families by means of a punched card system. Dansk Botanisk Arkiv 26. |
Acknowledgments: |
Thanks to Myriam Fica for entering the data. |
|