Evolution in SNAPDRAGONS

 
Linaria - Linaria polygalifolia - Taxonomy

Linaria polygalifolia Hoffmanns. & Link, Fl. Port. 1(8): 248, tab. 44 (1811).

Glaucous, somewhat fleshy perennial, glabrous or occasionally sparsely glandular-pubescent in inflorescence; fertile stems 4-11, 10-30 (-45) cm, simple or branched; sterile stems usually absent. Leaves of fertile stems flat, attenuate or cuneate, subsucculent, mostly alternate, the lowermost sometimes in whorls of 3-4. Inflorescence with 2-10 flowers, dense in flower and fruit. Bracts 3-4.5 mm, linear-lanceolate to narrowly oblong-spathulate, subacute. Pedicels 1-3 (-8) mm in flower and fruit, erect. Calyx-lobes unequal; adaxial lobe 4-9 mm; abaxial lobes 3-6 mm. Corolla 20-31 (-36) mm, deep yellow with orange-brown veins; tube (4.5-) 5-6 mm broad; adaxial lip sinus 1.2-2.5 (-4) mm; abaxial lip sinus 1-2 mm; spur 10-20 mm, 2-2.5 mm broad at base, straight or somewhat curved, equalling or exceeding rest of corolla. Capsule 6-8 mm, globose, glabrous. Seeds 2.5-3.5 mm, orbicular or suborbicular, concavo-convex; hilum narrow; wing thin, smooth, grey, becoming whitish and membranous towards margin; disc reníform, smooth, without tubercles or papíllae, dark grey; periclinal wall of testa-cells convex­tabular, verrucate, the anticlinal walls of testa-cells sinuate with conspicuous ridge over junction. Modified from Sutton (1988).

S & W Portugal, SW & NW Spain. Hs Lu.

Types: PORTUGAL: dans les contrées maritimes, près de Coimbra [Beira Litoral] (syn. B?); O-Porto [Douro Litoral] (syn. B?); S. Martinho [Estremadura], v-vi (syn. B?).

 

a. Linaria polygalifolia subsp. polygalifolia.

Fertile stems decumbent to ascending. Leaves 3-10 (-16) x 0.6-1.5 (-2) mm, narrowly oblong­spathulate to linear-oblanceolate, subacute. Calyx-lobes linear-spathulate or narrowly oblong, obtuse to subacute; adaxial lobe 0.8-1.2 mm broad in flower, 1.3-1.8 mm broad in fruit; abaxial lobes 1-1.2 mm broad in flower, 1.5-1.8 mm broad in fruit. Seeds 2.5-3.3 mm; wing 0.5-0.8 mm broad.

NW Portugal, NW Spain. Hs Lu.

 

b. Linaria polygalifolia subsp. lamarckii (Rouy) D.A. Sutton, comb. et stat. nov.

 Basionym: L. lamarckii Rouy, Naturaliste (Paris) ser. 1 2(44): 351 (1883).

 

Fertile stems aseending or suberect. Leaves 3-15 x (1.5-) 2-7 mm, oblong-spathulate to obovate, usually obtuse. Calyx-lobes oblong-spathulate, obtuse; adaxial lobe 1.2-1.5 mm broad in flower, (1.8-) 2-2.5 mm broad in fruit; abaxial lobes 1.5-1.8 mm broad in flower, (2-) 2.5-3 mm broad in fruit. Seeds 2.9-3.5 mm; wing 0.9-1.2 mm broad.

2n = 12 (Valdés, 1973: 212; Viano, 1974: 327; Fernandes and Queirós, 1971: 360; Fernandes, Queirós and Santos, 1977: 46).

S Portugal, SW Spain. Hs Lu.

Type: PORTUGAL: Algarve;]ussieu s.n. (holo.? (cf. Valdés, 1970a: 138, 139) P-JU).

 

This taxon is often cited as a Portuguese endemic (Chater, Valdés and Webb, 1972) but recent collections from the province of Huelva (Carbajo and Chiscano, 1979) have demonstrated that ir occurs over the border in southern Spain.

Linaria species
Linaria aeruginea
Linaria albifrons
Linaria algarviana
Linaria alpina
Linaria altaica
Linaria amethystea
Linaria amoi
Linaria angustissima
Linaria anticaria
Linaria antilibanotica
Linaria arenaria
Linaria armeniaca
Linaria arvensis
Linaria atlantica
Linaria badalii
Linaria baligaliensis
Linaria bamianica
Linaria biebersteinii
Linaria bipartita
Linaria bipunctata
Linaria bordiana
Linaria brachyceras
Linaria bubanii
Linaria bungei
Linaria buriatica
Linaria caesia
Linaria capraria
Linaria cavanillesii
Linaria chalepensis
Linaria clementei
Linaria confertiflora
Linaria corifolia
Linaria cossonii
Linaria coutinhoi
Linaria cretacea
Linaria creticola
Linaria dalmatica
Linaria damascena
Linaria debilis
Linaria decipiens
Linaria depauperata
Linaria diffusa
Linaria dissita
Linaria elegans
Linaria elymaitica
Linaria fallax
Linaria fastigiata
Linaria faucicola
Linaria ficalhoana
Linaria filicaulis
Linaria flava
Linaria genistifolia
Linaria gharbensis
Linaria glacialis
Linaria glauca
Linaria grandiflora
Linaria griffithsii
Linaria haelava
Linaria hellenica
Linaria hepatica
Linaria hirta
Linaria huteri
Linaria iconia
Linaria incarnata
Linaria incompleta
Linaria intricata
Linaria japonica
Linaria joppensis
Linaria kokanica
Linaria kulabensis
Linaria kurdica
Linaria latifolia
Linaria laxiflora
Linaria leptoceras
Linaria lilacina
Linaria lineolata
Linaria loeselii
Linaria macrophylla
Linaria macroura
Linaria maroccana
Linaria melampyroides
Linaria meyeri
Linaria michauxii
Linaria micrantha
Linaria microsepala
Linaria miller
Linaria multicaulis
Linaria munbyana
Linaria nivea
Linaria nurensis
Linaria oblongifolia
Linaria odora
Linaria oligantha
Linaria onubensis
Linaria paradoxa
Linaria parviracemosa
Linaria pedicellata
Linaria pedunculata
Linaria pelisseriana
Linaria peloponnesiaca
Linaria peltieri
Linaria pinifolia
Linaria platycalyx
Linaria polygalifolia
Linaria popovii
Linaria propinqua
Linaria pseudolaxiflora
Linaria pseudoviscosa
Linaria purpurea
Linaria pyramidalis
Linaria ramosa
Linaria reflexa
Linaria remotiflora
Linaria repens
Linaria ricardoi
Linaria riffea
Linaria rubioides
Linaria salzmannii
Linaria satureioides
Linaria saxatilis
Linaria schelkownikowii
Linaria schirvanica
Linaria sessilis
Linaria simplex
Linaria spartea
Linaria striatella
Linaria supina
Linaria tarhunensis
Linaria tenuis
Linaria thibetica
Linaria thymifolia
Linaria tingitana
Linaria tonzigii
Linaria transiliensis
Linaria triornithophora
Linaria triphylla
Linaria tristis
Linaria tuberculata
Linaria tursica
Linaria unaiensis
Linaria venosa
Linaria ventricosa
Linaria veratrifolia
Linaria verticillata
Linaria virgata
Linaria viscosa
Linaria vulgaris
Linaria warionis
Linaria weilleri
Linaria yunnanensis

 
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