A.P. Tiwari1*, R.L.S. Sikarwar2, K.K. Khanna3 & P.C. Dubey4
1,3Botanical Survey of India, Central Regional Centre, 10 Chatham lines, Allahabad,Uttar Pradesh, India
2Arogyadham (J.R.D. Tata Foundation for Research in Ayurveda & Yoga Sciences), Deendayal Research Institute, Chitrakoot, Satna, Madya Pradesh, India
4Forest Department, Forest Circle, Ujjain, Madhya Pradesh, India
*Corresponding author: Arjun Prasad Tiwari; email: email@example.com
The genus Cressa L. is reported for the first time from Madhya Pradesh. Cressa L. (Convolvulaceae), hitherto unrecorded is reported as a new generic record to the flora of Madhya Pradesh.
Keywords Cressa cretica, Madhya Pradesh, new record
The genus Cressa L. belonging to family Convolvulaceae comprises of 3 species in the world distributed in Americas, Africa, Asia and Australia (The Plant List, 2015). In India, it is represented by one species distributed in Andhra Pradesh, Bihar, Gujrat, Maharashtra, Rajasthan, Uttar Pradesh and West Bengal.
During a floristic survey of Ratlam district, Madhya Pradesh in November 2015, specimens of Cressa L. were collected from the wastelands of Kharsaud village. Cressa cretica L., which is hitherto unrecorded from Flora of Madhya Pradesh (Mudgal et al. 1997; Khanna et al. 2001; Jha, & Khanna, 2002; Kumar &Khanna, 1998; Khanna et al., 2009; Mujaffar, 2012; Mujaffar et al., 2013; Ray & Sainkhediya, 2014; Sahu et al., 2012; Sainkhediya & Ray, 2013; Sikarwar et al., 2010; Sinha & Shukla, 2007). The same has been reported here as a new record for the flora of Madhya Pradesh. A brief taxonomic description and other relevant details are provided in the present communication.
Cressa cretica L., Sp. Pl. 1: 223 1753; C.B.Clarke in Hook. f., Fl. Brit. India 4: 225. 1883; Cook, Fl. Pres. Bombay 2: 296.1958 (Repr.); Austin & Ghazanfar in Nasir & Ali, Fl. W. Pak. 126: 30. 1979. ‘RUDRAVANTI’
Erect, small, dwarf shrubs, up to 40 cm high. Roots are horizontal, geminate, with lateral branches leading upward to produce above-ground parts. Stems are at first erect and then become decumbent, apparently short-lived, gray appressed pilose to sericeous. Leaves numerous, small, sessile, ovate, lanceolate or elliptic to scale like, 0.5 – 1.2 × 0.1 – 0.6 cm, lanceolate, ovate, closely condensed, cuneate at base, acute at apex, margin entire, densely silky hairy. Flowers white, small, sessile in the upper axils or terminal spikes or clusters. Bracts 2, linear, hairy, appressed to the calyx. Calyx elliptic, concave, 2.6 mm long, obtuse at apex, densely silky hairy.Corolla salver form, 4 – 6 mm long, divided half way down; lobes mostly ovate, deflexed, hairy outside near the apex. Stamens exserted, 2 – 4 mm long; filaments filiform. Styles 2, exserted, distinct to the base, 2 – 4 mm long; stigma capitate; ovary 2-loculed, 4-ovuled. Capsules in capsular globose or ovoid, 3 – 4 mm long, hairy at apex. Seeds 1, glabrous, shiny, 3 – 4 mm long.
Flowering & Fruiting: Throughout the year.
Specimens examined: Madhya Pradesh, Ratlam, Kharsaud, 5.11.2013, A.P. Tiwari 73874 (BSA).
Authors are thankful to The Director, Botanical Survey of India, Kolkata and H.O.O. for facilities and encouragement. The authors are thankful to forest staff of Ratlam district, Madhya Pradesh for provided help during the field survey.
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