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ross46
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Inserito il - 30 novembre 2019 : 19:09:13  Mostra Profilo  Apri la Finestra di Tassonomia

Ciao. Ancora vicino a Cape Town

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ross46
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Inserito il - 30 novembre 2019 : 19:09:56  Mostra Profilo  Apri la Finestra di Tassonomia

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ross46
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Inserito il - 30 novembre 2019 : 19:10:56  Mostra Profilo  Apri la Finestra di Tassonomia

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ross46
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Inserito il - 30 novembre 2019 : 19:11:44  Mostra Profilo  Apri la Finestra di Tassonomia

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ross46
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Inserito il - 30 novembre 2019 : 19:13:32  Mostra Profilo  Apri la Finestra di Tassonomia

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un altra Protea. Quale? Grazie

Ross
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baudino
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2405 Messaggi
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Inserito il - 02 dicembre 2019 : 19:07:32  Mostra Profilo  Apri la Finestra di Tassonomia
Leucospermum sp.
Allego qui sotto la chiave tassonomica del genere
In grassetto le specie presenti nella provincia di Cape Town
KEY TO THE SPECIES OF LEUCOSPERMUM
1 Styles 10 ~ 30 mm long, usually not exceeding 28 mm in length... 2
1' Styles 31 mm or more long, usually exceeding 35 mm in length ...25
2 Leaves with 2 or more teeth at apex ...3
2' Leaves entire, with a single apical thickening... 14
3 Involucral receptacle flat... 4
3' Involucral receptacle conic, acute ...7
4 Leaves 5 - 7 mm wide...5
4' Leaves 10 - 85 mm wide...6
5 Leaves very narrowly oblanceolate, attenuate at base, bracteoles acute...47. saxatile
5' Leaves linear, obtuse at base, bracteoles abruptly acuminate...46. gracile
6 Leaves ovate, lanceolate or oblong, usually entire, rarely with 2 - 5 teeth at apex... 44. oleifolium
6' Leaves oblanceolate to broadly obovate, with 7 - 17 teeth at apex...45. mundii
7 Leaves canescent, with a dense, greyish, crisped indumentum...8
7' Leaves glabrus or glabrescent...11
8 Stems erect, leaves ascending loosely imbricate, very rarely subsecund...9
8' Stems prostrate, leaves secund ..28. hypophyllocarpodendron
9 Leaves linear, broadly canaliculate 10
9' Leaves oblong to oblanceolate1 plane...30. rodolentum
10 Involucral bracts glabrous, membranaceous, sub squarrose..31. parile
10' Involucral bracts tomentose, cartilaginous, tightly adpressed imbricate...29. tomentosum
11 Stems erect, leaves ascending, loosely imbricate...13
11' Stems prostrate, leaves usually secund or at least some of them secund..12
12 Pollen presenter cylindric obtuse to clavate..28. hypophyllocarpodendron
12' Pollen presenter conic ovoid... 36. heterophylllum
13 Perianth puberulous, leaves. 4 - 10 mm wide...11. muirii
13' Perianth villous, leaves 8 - 15 mm wide...10. truncatum
14 Styles very strongly adaxially arcuate....21. cordatum
14' Styles straight or very slightly adaxially arcuate...15
15 Pollen presenter conic-ovoid...16
15' Pollen presenter cylindric-clavate...18
16 Involucral bracts membranaceous, forming a distinct, multiseriate involucre...17
16' Involucral bracts cartilaginous, involucre indistinct...33. calligerum
17 Leaves pubescent, oval or oblong...37. truncatulum
17' Leaves glabrous, elliptic to ovate...38. bolusii
18 Leaves secund...19
18' Leaves ascending, loosely imbricate...20
19 Leaves 1-2.5 cm long....12. obtusatum
19' Leaves 5-8 cm long....43. secundifolium
20 Stems erect...21
20' Stems trailing...24
21 Leaves glabrous or glabrescent...22
21' Leaves pubescent with a fine crisped indumentum...34. wittebergense
22 Leaf apices obtuse...23
22' Leaf apices acute...35. royenifolium
23 Leaves obovate to spathulate-elliptic, 8.5 - 13.0 mm wide...41. alpinum
23' Leaves linear-spathulate, 1.5 - 6.0 mm wide...42. obtusatum
24 Acaulescent shrubs, with stems arising from a subterranean rootstock; perianth and style deep yellow at anthesis
becoming orange or red with age ...39. prostratum
24' Caulescent shrubs, ,with stems arising from the crown of a stout main trunk up to 30 cm in height; perianth and style creamy white at anthesis becoming
pinkish carmine with age... 40. pedunculatum
25 Styles 3.0 - 3.5 cm long...32. arenarium
25' Styles exceeding 3.5 cm in length
26 Involucral bracts loosely arranged, linear-lanceolate ...26. praemorsum
26' Involucral bracts adpressed imbricate, (not loosely arranged), lanceolate to ovate...27
27 Involucral receptacle narrowly cylindric, obtuse...28
27' Involucral receptacle narrowly conic acute, conic acute, or conic depressed...32
28 Styles 7.0- 7.5 cm long, leaves grey, canescent, with a dense, permanent crisped indumentum..27. reflexum
28' Styles less than 7.0 cm long, leaves glabrous or glabrescent..29
29 Pollen presenter very narrowly conic acute, scarcely differentiated from the style; recorded from Rhodesia,
Transvaal, Swaziland and Natal...30
29' Pollen presenter conic acute; recorded from the Cape and Natal ...31
30 Leaves linear to oblanceolate, slightly falcate, with prominently raised reticulate and parallel veins on surface... 4. gerrardii
30' Leaves elliptic, smooth, lacking prominently raised veins on surface...1. saxosum
31, Leaves oblanceolate 0.6- 3.0 cm wide...2. cuneiforme
31' Leaves very broadly oblanceolate to qbovate, 3.0 - 5.0 cm wide...3. innovans
32 Style 7.0- 8.0 cm long, pollen presenter set almost at right angles to the style...33
32' Style less than 7.0 cm long, pollen presenter in line with the style....36
33 Involucral bracts of immature inflorescences tightly adpressed imbricate, glabrous to glabrescent, margins and apex minutely ciliate...35
33' Involucral bracts of immature inflorescences squarrose, margins with dense long cilia, apices crinite .....34
34 Leaves pubescent with a greyish canescent indumentum of fine crisped hairs; apex with 2 - 4 teeth; perianth and style yellow at anthesis...24. grandiflorum
34' Leaves glabrous, deep green in fresh state; leaves usually entire or rarely with 2 - 4 teeth; perianth and style bright orange at anthesis...25. gueinzii
35 Leaves permanently pubescent, covered with a dense indumentum of fine crisped hairs, sessile..22. formosum.
35' Leaves glabrous, petiolate with a prominently attenuate base · 23. catherinae
36 Perianth tube inflated distally, narrowed proximally..37
36' Perianth tube cylindric, of uniform diameter...42
37 Stems decumbent, trailing...38
37' Stems erect...39
38 Style 4.5 - 6.2 em long; leaves glabrous or glabrescent, usually with 2 or 3 teeth at apex... 15. profugum
38' Style 3.0 - 4.0 em long; leaves beset with a fine indumentum of short crisped hairs; usually entire, rarely with 2 or 3 teeth at apex ...14. spathulatum
39 Pollen presenter conic, acute...40
39' Pollen presenter ovoid, clavate or cylindric, obtuse...41
40 Leaves oblanceolate to oblong, with up to 4 teeth at apex; perianth villous ...9. fulgens
40' Leaves obovate to braadly obovate, with 6 - 11 teeth at apex; perianth puberulous..8. praecox
41 Inflorescences in groups of 2 - 8, slightly assymetrical; perianth velutinous; styles almost straight...12. erubescens
41' Inflorescences solitary or in groups of up to 2; perianth beset with long, spreading, silky trichomes; styles adaxially curved...13. utriculosum
42 Pollen presenter obliquely turbinate (hoof shaped)...43
42' Pollen presenter ovoid or conic, acute...44
43 Perianth claws lanate; leaves broadly oblong, always with 3 - 8 teeth at apex...20. patersonii
43' Perianth claws puberulous; leaves ovate to oblong, entire or with up to 6 teeth at apex..19. cordifolium
44 Pollen presenter conic, acute...45
44' Pollen presenter ovoid or obliquely ovoid, acute...47
45 Involucral bracts with long, acuminate recurved apices...46
45' Involucral bracts acute to acuminate apices imbricate, not recurved ..5. conocarpodendron
46 Stems with a villous to arachnoid, cinereous indumentum...7· pluridens
46' Stems glabrous ...6. glabrum
47 Involucral bracts membranaceous, glabrous
47' Involucral bracts cartilaginous, tomentose...18. lineare
48 Styles straight at maturity, the lowermost horizantally patent; perianth pink...17. tottum
48' Styles adaxially arcuate at maturity; perianth orange or red ...16. vestitum

bruno
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ross46
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Città: vercelli

Regione: Piemonte


8831 Messaggi
Flora e Fauna

Inserito il - 02 dicembre 2019 : 20:48:21  Mostra Profilo  Apri la Finestra di Tassonomia
Mission impossible

Grazie

Ross
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