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5.2 Perennials

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PERENNIALS<br />

Lathyrus sylvestris L. 'Wagneri'<br />

Wagner pea, (cv. of narrow leaved everlasting pea or flat pea, cv. de grand gesse or cv.<br />

de gesse sylvestre)<br />

per. climbing to 2m. N(P?)<br />

Value for honey: profuse bloom and bees work this "industriously" 35 ; developed<br />

around the turn of the century by a A.W. Wagner from the narrow leaved everlasting<br />

pea, L. sylvestris, to improve the value of the sp. as bee and livestock forage 72 .<br />

Notes: deep rooted and drought resistant; introduced plant; flowers dark red; sp. (not<br />

cv.) found along roadsides and waste places, local Que. to Mich. and beyond Can.<br />

limits 23 .<br />

Lathyrus tuberosus L.<br />

ground nut pea, earth nut pea, tuberous vetchling, gesse tubereuse<br />

per. -23° to -21° C Jun-Aug N(P?)<br />

Notes: introduced, rose coloured sweet-pea-like flowers; spreads vigorously and may be<br />

suitable for banks or roadsides for erosion control. Tubers edible; fields, meadows and<br />

roadsides in local areas of Vt. to s. Ont. and Wisc. 23 .<br />

Lavatera thuringiaca L.<br />

(syn. Malva thuringiaca (L.) Vis) 51<br />

Siberian rose mallow, lavatera, lavatere de Thuringe<br />

per. (N)P<br />

Value for honey: some N collected 16 .<br />

Value for pollen: abundant and attractive P 35 .<br />

Notes: bushy plant with hollyhock-like flowers.<br />

Leonurus cardiaca L.<br />

common motherwort, agripaume, cardiare, cardiaque, herbe aux tonneliers<br />

per. -37° to -29° C Jul-Sep 60-120 cm N<br />

Value for honey: HP5 16 ; N sugar concentration 3944% 17; N secretion usually<br />

unaffected by drought 17 ; covered with bees while blooming and reported to be more<br />

attractive to honeybees than Phacelia (phacelia) or Melilotus (sweet clover) 35 ; flower<br />

tubes are 4 mm long so that all N is within reach of the honeybee 35 .<br />

Honey: light or straw coloured; good flavour s".<br />

Notes: common weed along roadsides; roots are very tenacious; sometimes cultivated in<br />

the flower border; naturalized in waste land, Que., W. and S. beyond Can. limits 23 .<br />

Leonurus cardiaca L. ssp. villosus (Desf. ex Sprengel) Hyl. 17<br />

(syn. Leonurus quinquelobatus Gilib.; Caridaca vulgaris Moench; Leonurus glaucescens<br />

Bunge) 51<br />

motherwort, leonure<br />

per. Jun-Jul 60-120 cm N<br />

Value for honey: HP6 17 ; N sugar concentration 42-76%.<br />

Honey: light to light orange in colour 17 .<br />

Leucojum vernum L.<br />

spring snowflake, niveole-printaniere, grelot blanc<br />

per. (bulb) -29° to -23° C Apr-May 30 cm<br />

Notes: will spread if left undisturbed; flowers white tipped with green.<br />

Np 36<br />

51

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