討論:Tabebuia

山羊百科，林文智老師的植物、山岳、攝影紀錄

Key to the Species of Tabebuia (based on flowering specimens) see also: Key to the Species of Tabebuia (based on vegetative and fruiting material) 1. Calyx thin, membranous, of the same texture as the corolla; inflorescence with the central rachis well developed ..... T. donnell-smithii

1. Calyx coriaceous, thicker than the corolla; inflorescence without a central rachis ..... 2 2(1). Flowers magenta or white; calyx lepidote or farinaceous-pubescent (if pubescent, the corolla tube puberulous outside) ..... 3 2. Flowers yellow; calyx ?stellate-pubescent; corolla tube glabrous outside ..... 9 3(2). Corolla magenta, the tube pubescent outside; calyx puberulous ..... 4

3. Corolla white, the tube glabrous outside; calyx lepidote ..... 5

4(3). Calyx glandular, ?bilabiate, 13-19 mm long ..... T. barbata

4. Calyx eglandular, truncate, less than 9 mm long ..... T. impetiginosa

5(3). Corolla tubular, ?salverform; calyx 2.5-4 cm long ..... T. stenocalyx

5. Corolla tubular-funnel-shaped; calyx less than 2 cm long ..... 6

6(5). Corolla lobes not ciliate, the throat glabrous inside except at stamen insertion; Delta Amacuro state ..... T. fluviatilis

6. Corolla lobes ciliate, the throat pubescent inside at least along the throat ridges; widespread ..... 7

7(6). Leaves 5-foliolate, pilose and intricately reticulate below; calyx with glandular fields below margins ..... T. pilosa

7. Leaves simple to 7-foliolate, lepidote or rarely lepidote and pilose (but not raised-reticulate) below; calyx eglandular or with scattered plate-shaped glands ..... 8

8(7). Leaves simple to 7-foliolate, lepidote, otherwise glabrous, when simple or 1-foliolate large (> 8 ?3 cm); inflorescence at anthesis usually also with small buds; not on igneous outcrops ..... T. insignis

8. Leaves simple (rarely also in part 3-foliolate), often puberulous on lower surface when young, small (less than 10 ?3.5 cm); inflorescence at anthesis without small buds; on igneous outcrops ..... T. orinocensis

9(2). Calyx sparsely thick-stellate, not lepidote, pubescent to macroscopically subglabrous ..... 10 9. Calyx densely pubescent with stellate or dendroid trichomes, sometimes villous ..... 12 10(9). Corolla throat essentially glabrous ..... T. uleana 10. Corolla throat pilose ..... 11 11(10). Corolla throat densely pilose, the trichomes to 1.5 mm long; ovary without stalked glands, smooth or verrucose toward the apex ..... T. guayacan 11. Corolla throat lightly pilose, the trichomes to 0.8 mm long; ovary glandular-verrucose, at least at the apex ..... T. serratifolia 12(9). Trichomes of corolla throat short, stiff, almost papilliform ..... T. obscura

12. Trichomes of corolla throat mostly long, lax, several-celled ..... 13

13(12). Calyx villous with long trichomes; inflorescence densely congested, virtually lacking pedicels and peduncle ..... T. ochracea

13. Calyx stellate and dendroid-pubescent with short trichomes; inflorescence contracted but the pedicels and peduncle clearly visible ..... 14

14(13). Calyx 8-12 mm long, the trichomes all short and rather thick-stellate; leaflets stellate below mostly in vein axils and sometimes along main veins; lowlands below 400 m ..... T. capitata

14. Calyx > 10 mm long, the trichomes stellate to ?dendroid; leaflets densely to sparsely stellate below, usually with some trichomes scattered over surface; strongly seasonal lowland forests or upland tepui forests above 400 m ..... 15

15(14). Forests below 500 m elevation; leaflets always scattered-stellate below, not conspicuously discolorous; leaflets membranous to chartaceous ..... T. chrysantha

15. Forests above 400 m elevation; leaflets sometimes densely stellate and discolored below; leaflets ?coriaceous ..... T. subtilis

Key to the Species of Tabebuia (based on vegetative and fruiting material) 1. Leaves completely glabrous or lepidote, even in the axils of the lateral veins below; fruit conspicuously lepidote, never with simple or stellate trichomes ..... 2

1. Leaves pubescent below, sometimes only in axils of lateral veins below; fruit glabrous or variously ubescent, often with stellate trichomes ..... 6

2(1). Leaves simple (rarely in part 3-foliolate) ..... 3

2. Leaves (3-)5-7-foliolate ..... 5

3(2). Calyx striate, persistent and spathaceously divided in fruit ..... T. stenocalyx

3. Calyx not striate, persistent and campanulate in fruit ..... 4

4(3). Leaves small (less than 10 ?3.5 cm); fruit 1.3-2 cm wide; plants on igneous out-crops ..... T. orinocensis

4. Leaves large (> 8 ?3 cm); fruit 1.2-1.3 cm wide; not on igneous outcrops ..... T. insignis

5(2). Fruits oblong, stipitate, > 3 cm wide; seeds corky, wingless ..... T. fluviatilis

5. Fruits linear-oblong, not stipitate, less than 3 cm wide; seeds thin, membranous-winged ..... T. insignis

6(1). Leaves pilose over whole lower surface with simple trichomes; fruit ecostate, densely lepidote to glabrous ..... 7

6. Leaves mostly stellate-pubescent (with simple trichomes restricted to the axils of lateral veins on lower surface in T. serratifolia and T. barbata) ..... 9

7(6). Fruits glabrous, not lepidote ..... T. uleana

7. Fruits densely lepidote ..... 8

8(7). Leaves 5-foliolate, raised-reticulate on lower surface ..... T. pilosa

8. Leaves 3-foliolate (or simple), not raised-reticulate on lower surface ..... T. insignis

9(6). Fruits essentially glabrous; leaves with trichomes only in axils of lateral veins on lower surface ..... 10

9. Fruits pubescent; leaflets puberulous over whole surface below or with stellate trichomes along the main veins or with simple trichomes mostly in vein axils but also extending along midvein above vein axil ..... 13

10(9). Fruit surface uniformly smooth; flowers magenta ..... T. impetiginosa

10. Fruit surface striate or with scattered raised warts; flowers yellow ..... 11

11(10). Adult leaflets with simple trichomes in vein axils below; fruit surface with scattered projections ..... T. serratifolia

11. Adult leaflets with stellate trichomes in vein axils below; fruit striate with relatively thin valves ..... 12

12(11). Fruits striate with thin valves ..... T. capitata

12. Fruits with muricate-reticulate protuberances ..... T. guayacan

13(9). Fruits conspicuously costate with irregularly raised and anastomosing ribs; leaflets mostly with simple trichomes ..... T. donnell-smithii

13. Fruits ecostate, sometimes striate, the pubescence various but never of simple trichomes (when villous, the trichomes appearing simple but with stellate bases or mixed with short, branched trichomes) ..... 14

14(13). Lower surface of leaves with simple trichomes in vein axils; fruit drying with conspicuously darker glandular zones ..... T. barbata

14. Lower surface of leaves stellate-pubescent at least along main veins and often over whole surface; fruit uniformly pubescent or with scattered darker glandular zones ..... 15

15(14). Fruits villous, in part with trichomes > 1 mm long ..... T. ochracea

15. Fruits stellate-puberulous with short trichomes ..... 16

16(15). Southern Bolívar state above 400 m elevation; calyx persistent ..... T. subtilis

16. Widespread in lowlands; calyx caducous in fruit (at least in southern Bolívar state) ..... 17

17(16). Flowering and fruiting while leaves present; corolla throat papillose-puberulous ..... T. obscura

17. Flowering and fruiting while mostly deciduous; corolla throat pilose ..... 18

18(17). Lower surface of leaves conspicuously lepidote-punctate, stellate trichomes mostly restricted to main veins ..... T. capitata

18. Lower surface of leaves not lepidote-punctate, sometimes sparsely lepidote, usually with stellate trichomes over whole surface ..... T. chrysantha

Tabebuia barbata (E. Mey.) Sandwith, Lilloa 3: 462. 1938. -Bignonia barbata E. Mey., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 12: 782. 1825. -Apamate, Jaico, Palo mosquito.