Croton section Cleodora (Klotzsch, 1841) Baillon, 1858
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publication ID |
https://doi.org/ 10.11646/phytotaxa.121.1.1 |
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DOI |
https://doi.org/10.5281/zenodo.10534372 |
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persistent identifier |
https://treatment.plazi.org/id/03EC87F5-FFED-0376-FF10-BEBFFA49FE37 |
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treatment provided by |
Felipe |
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scientific name |
Croton section Cleodora |
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Key to the subsections and species of Croton section Cleodora
1. Sepals of pistillate flowers with quincuncial aestivation. Fruits globose or ellipsoid, never trigonal (except C. rufolepidotus View in CoL ) .............................................................................................................. 2 ( Croton subsect. Sphaerogyni )
- Sepals of pistillate flowers with imbricate aestivation, rarely reduplicate-valvate. Fruits subglobose, usually trigonal ...................................................................................................................................... 10 ( Croton subsect. Spruceani )
2. Leaf glands acropetiolar ............................................................................................................................................... 3
- Leaf glands basilaminar (in C. organensis View in CoL the glands are maculate, inconspicuous).................................................. 5
3. Branchlets angular. Pistillate flowers flask-shaped; disk 5-segmented; calyx lobes not accrescent ........... C. salutaris View in CoL
- Branchlets cylindrical. Pistillate flowers campanulate; disk entire, deeply 5-lobed; calyx lobes strongly accrescent. ..................................................................................................................................................................................... 4
4. Indument rufous-silvery. Leaf margin entire. Stamens ca. 25. Pistillate flowers with styles included in calyx ............ ............................................................................................................................................................. C. campanulatus View in CoL
- Indument silvery. Leaf margin finely serrate. Stamens ca. 15. Pistillate flowers with styles exserted from calyx........ .............................................................................................................................................................. C. hemiargyreus View in CoL
5. Styles 4-fid (12 terminal arms) ..................................................................................................................................... 6
- Styles multifid (> 12 terminal arms) ............................................................................................................................ 7
6. Branchlets flattened. Leaf glands globose. Staminate flowers campanulate. Pistillate flowers flask-shaped. Atlantic rain forest ........................................................................................................................................ 8. C. sphaerogynus View in CoL
- Branchlets cylindrical. Leaf glands saucer-shaped. Staminate flowers subcampanulate. Pistillate flowers ovoid. Amazon rain forests .................................................................................................................................... C. cajucara View in CoL
7. Indument lepidote. Colombia.............................................................................................................. C. rufolepidotus View in CoL
- Indument non lepidote. Eastern Brazil........................................................................................................................ 8
8. Branchlets cylindrical. Staminate flowers cup-shaped. Pistillate flowers subsessile. ............................ C. heterocalyx View in CoL
- Branchlets flattened. Staminate flowers subcampanulate. Pistillate flowers pedicellate ........................................... 9
9. Venation eucamptodromous; foliar glands maculate, inconspicuous. Bracts not foliaceous, without glands. Staminate flowers subcampanulate. Sepals of the pistillate flowers united only at the base .................. C. organensis View in CoL
- Venation brochidodromous; foliar glands globose, conspicuous. Bracts foliaceous, with a pair of globose glands at the base. Staminate flowers campanulate. Sepals of the pistillate flowers united up to half of their length ................. ..................................................................................................................................................... C. stellatoferrugineus View in CoL
10. Leaf glands acropetiolar ............................................................................................................................................ 11
- Leaf glands basilaminar .............................................................................................................................................. 13
11. Stipules lacerate. Pistillate flowers reduplicate-valvate; styles multifid (> 12 terminal arms) ................... C. fragrans View in CoL
- Stipules entire. Pistillate flowers imbricate; styles 4-fid (12 terminal arms).............................................................. 12
12. Branchlets flattened. Anthers ellipsoid. Pistillate flowers subcampanulate; petals with rounded apex ......................... .............................................................................................................................................................. C. fragrantulus View in CoL
- Branchlets cylindrical. Anthers arrow-headed. Pistillate flowers campanulate; petals with wavy and indented apex. ................................................................................................................................................................. C. hoffmannii View in CoL
13. Styles multifid (> 12 terminal arms) .......................................................................................................................... 14
- Styles 4-fid (12 terminal arms) .................................................................................................................................. 15
14. Indument ferrugineous. Staminate flowers campanulate; calyx lobes not deflexed in fruit. Epicarp smooth .............. ................................................................................................................................................................. C. sexmetralis View in CoL
- Indument whitish. Staminate flowers subcampanulate; calyx lobes deflexed in fruit. Epicarp warty ........................... .............................................................................................................................................................. C. billbergianus View in CoL
15. Pistillate flowers urn-shaped ................................................................................................................... C. spruceanus View in CoL
- Pistillate flowers campanulate ... 16
16. Climbing shrubs; branchlets slightly flattened. Stamens ca. 25 ....................................................... C. pseudofragrans View in CoL
- Straight trees to shrubs; branchlets cylindric. Stamens ca. 15................................................................................... 17
17. Indument lepidote. Leaves elliptical, strongly discolorous. Inflorescences congested. Disk of pistillate flowers 5- segmented. Epicarp warty. Amazonian rain forests ................................................................................. C. orinocensis View in CoL
- Indument pubescent. Leaves ovate, slightly discolorous. Inflorescences lax. Disk of pistillate flowers 5-lobed. Epicarp smooth. Brazilian seasonal dry forests .................................................................................... C. rottlerifolius View in CoL
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.